summaryrefslogtreecommitdiffstats
path: root/arch/parisc/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'arch/parisc/kernel')
-rw-r--r--arch/parisc/kernel/asm-offsets.c2
-rw-r--r--arch/parisc/kernel/cache.c188
-rw-r--r--arch/parisc/kernel/drivers.c19
-rw-r--r--arch/parisc/kernel/entry.S241
-rw-r--r--arch/parisc/kernel/firmware.c26
-rw-r--r--arch/parisc/kernel/head.S15
-rw-r--r--arch/parisc/kernel/hpmc.S16
-rw-r--r--arch/parisc/kernel/inventory.c10
-rw-r--r--arch/parisc/kernel/irq.c6
-rw-r--r--arch/parisc/kernel/module.c23
-rw-r--r--arch/parisc/kernel/pacache.S89
-rw-r--r--arch/parisc/kernel/parisc_ksyms.c10
-rw-r--r--arch/parisc/kernel/pci-dma.c2
-rw-r--r--arch/parisc/kernel/pci.c4
-rw-r--r--arch/parisc/kernel/perf_asm.S26
-rw-r--r--arch/parisc/kernel/process.c8
-rw-r--r--arch/parisc/kernel/processor.c11
-rw-r--r--arch/parisc/kernel/ptrace.c10
-rw-r--r--arch/parisc/kernel/real2.S16
-rw-r--r--arch/parisc/kernel/setup.c6
-rw-r--r--arch/parisc/kernel/signal.c273
-rw-r--r--arch/parisc/kernel/signal32.c42
-rw-r--r--arch/parisc/kernel/smp.c178
-rw-r--r--arch/parisc/kernel/syscall.S71
-rw-r--r--arch/parisc/kernel/syscall_table.S16
-rw-r--r--arch/parisc/kernel/time.c146
-rw-r--r--arch/parisc/kernel/traps.c153
-rw-r--r--arch/parisc/kernel/unaligned.c115
-rw-r--r--arch/parisc/kernel/unwind.c1
-rw-r--r--arch/parisc/kernel/vmlinux.lds.S2
30 files changed, 780 insertions, 945 deletions
diff --git a/arch/parisc/kernel/asm-offsets.c b/arch/parisc/kernel/asm-offsets.c
index c11a5bc7c067..54fdb959149c 100644
--- a/arch/parisc/kernel/asm-offsets.c
+++ b/arch/parisc/kernel/asm-offsets.c
@@ -44,7 +44,7 @@
#define BLANK() asm volatile("\n->" : : )
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
#define FRAME_SIZE 128
#else
#define FRAME_SIZE 64
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index 0be51e92a2fc..0dc924ccceb5 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -68,16 +68,6 @@ flush_cache_all_local(void)
}
EXPORT_SYMBOL(flush_cache_all_local);
-/* flushes EVERYTHING (tlb & cache) */
-
-void
-flush_all_caches(void)
-{
- flush_cache_all();
- flush_tlb_all();
-}
-EXPORT_SYMBOL(flush_all_caches);
-
void
update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
{
@@ -99,7 +89,7 @@ show_cache_info(struct seq_file *m)
seq_printf(m, "I-cache\t\t: %ld KB\n",
cache_info.ic_size/1024 );
- if (cache_info.dc_loop == 1)
+ if (cache_info.dc_loop != 1)
snprintf(buf, 32, "%lu-way associative", cache_info.dc_loop);
seq_printf(m, "D-cache\t\t: %ld KB (%s%s, %s)\n",
cache_info.dc_size/1024,
@@ -270,6 +260,83 @@ void disable_sr_hashing(void)
panic("SpaceID hashing is still on!\n");
}
+/* Simple function to work out if we have an existing address translation
+ * for a user space vma. */
+static inline int translation_exists(struct vm_area_struct *vma,
+ unsigned long addr, unsigned long pfn)
+{
+ pgd_t *pgd = pgd_offset(vma->vm_mm, addr);
+ pmd_t *pmd;
+ pte_t pte;
+
+ if(pgd_none(*pgd))
+ return 0;
+
+ pmd = pmd_offset(pgd, addr);
+ if(pmd_none(*pmd) || pmd_bad(*pmd))
+ return 0;
+
+ /* We cannot take the pte lock here: flush_cache_page is usually
+ * called with pte lock already held. Whereas flush_dcache_page
+ * takes flush_dcache_mmap_lock, which is lower in the hierarchy:
+ * the vma itself is secure, but the pte might come or go racily.
+ */
+ pte = *pte_offset_map(pmd, addr);
+ /* But pte_unmap() does nothing on this architecture */
+
+ /* Filter out coincidental file entries and swap entries */
+ if (!(pte_val(pte) & (_PAGE_FLUSH|_PAGE_PRESENT)))
+ return 0;
+
+ return pte_pfn(pte) == pfn;
+}
+
+/* Private function to flush a page from the cache of a non-current
+ * process. cr25 contains the Page Directory of the current user
+ * process; we're going to hijack both it and the user space %sr3 to
+ * temporarily make the non-current process current. We have to do
+ * this because cache flushing may cause a non-access tlb miss which
+ * the handlers have to fill in from the pgd of the non-current
+ * process. */
+static inline void
+flush_user_cache_page_non_current(struct vm_area_struct *vma,
+ unsigned long vmaddr)
+{
+ /* save the current process space and pgd */
+ unsigned long space = mfsp(3), pgd = mfctl(25);
+
+ /* we don't mind taking interrups since they may not
+ * do anything with user space, but we can't
+ * be preempted here */
+ preempt_disable();
+
+ /* make us current */
+ mtctl(__pa(vma->vm_mm->pgd), 25);
+ mtsp(vma->vm_mm->context, 3);
+
+ flush_user_dcache_page(vmaddr);
+ if(vma->vm_flags & VM_EXEC)
+ flush_user_icache_page(vmaddr);
+
+ /* put the old current process back */
+ mtsp(space, 3);
+ mtctl(pgd, 25);
+ preempt_enable();
+}
+
+
+static inline void
+__flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr)
+{
+ if (likely(vma->vm_mm->context == mfsp(3))) {
+ flush_user_dcache_page(vmaddr);
+ if (vma->vm_flags & VM_EXEC)
+ flush_user_icache_page(vmaddr);
+ } else {
+ flush_user_cache_page_non_current(vma, vmaddr);
+ }
+}
+
void flush_dcache_page(struct page *page)
{
struct address_space *mapping = page_mapping(page);
@@ -342,7 +409,7 @@ void clear_user_page_asm(void *page, unsigned long vaddr)
#define FLUSH_THRESHOLD 0x80000 /* 0.5MB */
int parisc_cache_flush_threshold __read_mostly = FLUSH_THRESHOLD;
-void parisc_setup_cache_timing(void)
+void __init parisc_setup_cache_timing(void)
{
unsigned long rangetime, alltime;
unsigned long size;
@@ -366,6 +433,9 @@ void parisc_setup_cache_timing(void)
if (!parisc_cache_flush_threshold)
parisc_cache_flush_threshold = FLUSH_THRESHOLD;
+ if (parisc_cache_flush_threshold > cache_info.dc_size)
+ parisc_cache_flush_threshold = cache_info.dc_size;
+
printk(KERN_INFO "Setting cache flush threshold to %x (%d CPUs online)\n", parisc_cache_flush_threshold, num_online_cpus());
}
@@ -410,3 +480,97 @@ void kunmap_parisc(void *addr)
}
EXPORT_SYMBOL(kunmap_parisc);
#endif
+
+void __flush_tlb_range(unsigned long sid, unsigned long start,
+ unsigned long end)
+{
+ unsigned long npages;
+
+ npages = ((end - (start & PAGE_MASK)) + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
+ if (npages >= 512) /* 2MB of space: arbitrary, should be tuned */
+ flush_tlb_all();
+ else {
+ mtsp(sid, 1);
+ purge_tlb_start();
+ if (split_tlb) {
+ while (npages--) {
+ pdtlb(start);
+ pitlb(start);
+ start += PAGE_SIZE;
+ }
+ } else {
+ while (npages--) {
+ pdtlb(start);
+ start += PAGE_SIZE;
+ }
+ }
+ purge_tlb_end();
+ }
+}
+
+static void cacheflush_h_tmp_function(void *dummy)
+{
+ flush_cache_all_local();
+}
+
+void flush_cache_all(void)
+{
+ on_each_cpu(cacheflush_h_tmp_function, NULL, 1, 1);
+}
+
+void flush_cache_mm(struct mm_struct *mm)
+{
+#ifdef CONFIG_SMP
+ flush_cache_all();
+#else
+ flush_cache_all_local();
+#endif
+}
+
+void
+flush_user_dcache_range(unsigned long start, unsigned long end)
+{
+ if ((end - start) < parisc_cache_flush_threshold)
+ flush_user_dcache_range_asm(start,end);
+ else
+ flush_data_cache();
+}
+
+void
+flush_user_icache_range(unsigned long start, unsigned long end)
+{
+ if ((end - start) < parisc_cache_flush_threshold)
+ flush_user_icache_range_asm(start,end);
+ else
+ flush_instruction_cache();
+}
+
+
+void flush_cache_range(struct vm_area_struct *vma,
+ unsigned long start, unsigned long end)
+{
+ int sr3;
+
+ if (!vma->vm_mm->context) {
+ BUG();
+ return;
+ }
+
+ sr3 = mfsp(3);
+ if (vma->vm_mm->context == sr3) {
+ flush_user_dcache_range(start,end);
+ flush_user_icache_range(start,end);
+ } else {
+ flush_cache_all();
+ }
+}
+
+void
+flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long pfn)
+{
+ BUG_ON(!vma->vm_mm->context);
+
+ if (likely(translation_exists(vma, vmaddr, pfn)))
+ __flush_cache_page(vma, vmaddr);
+
+}
diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c
index d6c486e9501c..2ca654bd6322 100644
--- a/arch/parisc/kernel/drivers.c
+++ b/arch/parisc/kernel/drivers.c
@@ -562,12 +562,23 @@ pa_dev_attr(rev, id.hversion_rev, "0x%x\n");
pa_dev_attr_id(hversion, "0x%03x\n");
pa_dev_attr_id(sversion, "0x%05x\n");
+static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct parisc_device *padev = to_parisc_device(dev);
+ struct parisc_device_id *id = &padev->id;
+
+ return sprintf(buf, "parisc:t%02Xhv%04Xrev%02Xsv%08X\n",
+ (u8)id->hw_type, (u16)id->hversion, (u8)id->hversion_rev,
+ (u32)id->sversion);
+}
+
static struct device_attribute parisc_device_attrs[] = {
__ATTR_RO(irq),
__ATTR_RO(hw_type),
__ATTR_RO(rev),
__ATTR_RO(hversion),
__ATTR_RO(sversion),
+ __ATTR_RO(modalias),
__ATTR_NULL,
};
@@ -689,7 +700,9 @@ parse_tree_node(struct device *parent, int index, struct hardware_path *modpath)
.fn = check_parent,
};
- device_for_each_child(parent, &recurse_data, descend_children);
+ if (device_for_each_child(parent, &recurse_data, descend_children))
+ /* nothing */;
+
return d.dev;
}
@@ -835,8 +848,8 @@ static void print_parisc_device(struct parisc_device *dev)
static int count;
print_pa_hwpath(dev, hw_path);
- printk(KERN_INFO "%d. %s at 0x%lx [%s] { %d, 0x%x, 0x%.3x, 0x%.5x }",
- ++count, dev->name, dev->hpa.start, hw_path, dev->id.hw_type,
+ printk(KERN_INFO "%d. %s at 0x%p [%s] { %d, 0x%x, 0x%.3x, 0x%.5x }",
+ ++count, dev->name, (void*) dev->hpa.start, hw_path, dev->id.hw_type,
dev->id.hversion_rev, dev->id.hversion, dev->id.sversion);
if (dev->num_addrs) {
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index 340b5e8d67ba..8474f9e5ca10 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -37,6 +37,8 @@
#include <asm/unistd.h>
#include <asm/thread_info.h>
+#include <linux/linkage.h>
+
#ifdef CONFIG_64BIT
#define CMPIB cmpib,*
#define CMPB cmpb,*
@@ -648,13 +650,11 @@
* the static part of the kernel address space.
*/
- .export fault_vector_20
-
.text
.align 4096
-fault_vector_20:
+ENTRY(fault_vector_20)
/* First vector is invalid (0) */
.ascii "cows can fly"
.byte 0
@@ -695,14 +695,13 @@ fault_vector_20:
def 29
def 30
def 31
+END(fault_vector_20)
#ifndef CONFIG_64BIT
- .export fault_vector_11
-
.align 2048
-fault_vector_11:
+ENTRY(fault_vector_11)
/* First vector is invalid (0) */
.ascii "cows can fly"
.byte 0
@@ -743,6 +742,7 @@ fault_vector_11:
def 29
def 30
def 31
+END(fault_vector_11)
#endif
@@ -762,9 +762,8 @@ fault_vector_11:
#define CLONE_VM 0x100 /* Must agree with <linux/sched.h> */
#define CLONE_UNTRACED 0x00800000
- .export __kernel_thread, code
.import do_fork
-__kernel_thread:
+ENTRY(__kernel_thread)
STREG %r2, -RP_OFFSET(%r30)
copy %r30, %r1
@@ -797,6 +796,7 @@ __kernel_thread:
ldo -PT_SZ_ALGN(%r30), %r30
bv %r0(%r2)
nop
+ENDPROC(__kernel_thread)
/*
* Child Returns here
@@ -805,8 +805,7 @@ __kernel_thread:
* into task save area.
*/
- .export ret_from_kernel_thread
-ret_from_kernel_thread:
+ENTRY(ret_from_kernel_thread)
/* Call schedule_tail first though */
BL schedule_tail, %r2
@@ -833,10 +832,10 @@ ret_from_kernel_thread:
bv %r0(%r1)
#endif
ldi 0, %r26
+ENDPROC(ret_from_kernel_thread)
.import sys_execve, code
- .export __execve, code
-__execve:
+ENTRY(__execve)
copy %r2, %r15
copy %r30, %r16
ldo PT_SZ_ALGN(%r30), %r30
@@ -856,16 +855,15 @@ __execve:
copy %r16, %r30
bv %r0(%r2)
nop
+ENDPROC(__execve)
- .align 4
/*
* struct task_struct *_switch_to(struct task_struct *prev,
* struct task_struct *next)
*
* switch kernel stacks and return prev */
- .export _switch_to, code
-_switch_to:
+ENTRY(_switch_to)
STREG %r2, -RP_OFFSET(%r30)
callee_save_float
@@ -890,6 +888,7 @@ _switch_to_ret:
LDREG -RP_OFFSET(%r30), %r2
bv %r0(%r2)
copy %r26, %r28
+ENDPROC(_switch_to)
/*
* Common rfi return path for interruptions, kernel execve, and
@@ -907,8 +906,7 @@ _switch_to_ret:
.align 4096
- .export syscall_exit_rfi
-syscall_exit_rfi:
+ENTRY(syscall_exit_rfi)
mfctl %cr30,%r16
LDREG TI_TASK(%r16), %r16 /* thread_info -> task_struct */
ldo TASK_REGS(%r16),%r16
@@ -978,11 +976,36 @@ intr_check_resched:
LDREG TI_FLAGS(%r1),%r19 /* sched.h: TIF_NEED_RESCHED */
bb,<,n %r19,31-TIF_NEED_RESCHED,intr_do_resched /* forward */
+ .import do_notify_resume,code
intr_check_sig:
/* As above */
mfctl %cr30,%r1
- LDREG TI_FLAGS(%r1),%r19 /* sched.h: TIF_SIGPENDING */
- bb,<,n %r19, 31-TIF_SIGPENDING, intr_do_signal /* forward */
+ LDREG TI_FLAGS(%r1),%r19
+ ldi (_TIF_SIGPENDING|_TIF_RESTORE_SIGMASK), %r20
+ and,COND(<>) %r19, %r20, %r0
+ b,n intr_restore /* skip past if we've nothing to do */
+
+ /* This check is critical to having LWS
+ * working. The IASQ is zero on the gateway
+ * page and we cannot deliver any signals until
+ * we get off the gateway page.
+ *
+ * Only do signals if we are returning to user space
+ */
+ LDREG PT_IASQ0(%r16), %r20
+ CMPIB=,n 0,%r20,intr_restore /* backward */
+ LDREG PT_IASQ1(%r16), %r20
+ CMPIB=,n 0,%r20,intr_restore /* backward */
+
+ copy %r0, %r25 /* long in_syscall = 0 */
+#ifdef CONFIG_64BIT
+ ldo -16(%r30),%r29 /* Reference param save area */
+#endif
+
+ BL do_notify_resume,%r2
+ copy %r16, %r26 /* struct pt_regs *regs */
+
+ b,n intr_check_sig
intr_restore:
copy %r16,%r29
@@ -1072,35 +1095,6 @@ intr_do_preempt:
b,n intr_restore /* ssm PSW_SM_I done by intr_restore */
#endif /* CONFIG_PREEMPT */
- .import do_signal,code
-intr_do_signal:
- /*
- This check is critical to having LWS
- working. The IASQ is zero on the gateway
- page and we cannot deliver any signals until
- we get off the gateway page.
-
- Only do signals if we are returning to user space
- */
- LDREG PT_IASQ0(%r16), %r20
- CMPIB= 0,%r20,intr_restore /* backward */
- nop
- LDREG PT_IASQ1(%r16), %r20
- CMPIB= 0,%r20,intr_restore /* backward */
- nop
-
- copy %r0, %r24 /* unsigned long in_syscall */
- copy %r16, %r25 /* struct pt_regs *regs */
-#ifdef CONFIG_64BIT
- ldo -16(%r30),%r29 /* Reference param save area */
-#endif
-
- BL do_signal,%r2
- copy %r0, %r26 /* sigset_t *oldset = NULL */
-
- b intr_check_sig
- nop
-
/*
* External interrupts.
*/
@@ -1115,11 +1109,7 @@ intr_extint:
mfctl %cr31,%r1
copy %r30,%r17
/* FIXME! depi below has hardcoded idea of interrupt stack size (32k)*/
-#ifdef CONFIG_64BIT
- depdi 0,63,15,%r17
-#else
- depi 0,31,15,%r17
-#endif
+ DEPI 0,31,15,%r17
CMPB=,n %r1,%r17,2f
get_stack_use_cr31
b,n 3f
@@ -1148,13 +1138,12 @@ intr_extint:
b do_cpu_irq_mask
ldo R%intr_return(%r2), %r2 /* return to intr_return, not here */
+ENDPROC(syscall_exit_rfi)
/* Generic interruptions (illegal insn, unaligned, page fault, etc) */
- .export intr_save, code /* for os_hpmc */
-
-intr_save:
+ENTRY(intr_save) /* for os_hpmc */
mfsp %sr7,%r16
CMPIB=,n 0,%r16,1f
get_stack_use_cr30
@@ -1229,6 +1218,7 @@ skip_save_ior:
b handle_interruption
ldo R%intr_check_sig(%r2), %r2
+ENDPROC(intr_save)
/*
@@ -1814,9 +1804,7 @@ dtlb_fault:
LDREG PT_GR18(\regs),%r18
.endm
- .export sys_fork_wrapper
- .export child_return
-sys_fork_wrapper:
+ENTRY(sys_fork_wrapper)
LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30), %r1
ldo TASK_REGS(%r1),%r1
reg_save %r1
@@ -1853,9 +1841,10 @@ wrapper_exit:
ldi __NR_fork,%r20
bv %r0(%r2)
STREG %r20,PT_GR20(%r1)
+ENDPROC(sys_fork_wrapper)
/* Set the return value for the child */
-child_return:
+ENTRY(child_return)
BL schedule_tail, %r2
nop
@@ -1863,10 +1852,10 @@ child_return:
LDREG TASK_PT_GR19(%r1),%r2
b wrapper_exit
copy %r0,%r28
+ENDPROC(child_return)
-
- .export sys_clone_wrapper
-sys_clone_wrapper:
+
+ENTRY(sys_clone_wrapper)
LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1
ldo TASK_REGS(%r1),%r1 /* get pt regs */
reg_save %r1
@@ -1887,9 +1876,10 @@ sys_clone_wrapper:
b wrapper_exit
LDREG -RP_OFFSET-FRAME_SIZE(%r30),%r2
+ENDPROC(sys_clone_wrapper)
+
- .export sys_vfork_wrapper
-sys_vfork_wrapper:
+ENTRY(sys_vfork_wrapper)
LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1
ldo TASK_REGS(%r1),%r1 /* get pt regs */
reg_save %r1
@@ -1910,6 +1900,7 @@ sys_vfork_wrapper:
b wrapper_exit
LDREG -RP_OFFSET-FRAME_SIZE(%r30),%r2
+ENDPROC(sys_vfork_wrapper)
.macro execve_wrapper execve
@@ -1946,22 +1937,19 @@ error_\execve:
nop
.endm
- .export sys_execve_wrapper
.import sys_execve
-
-sys_execve_wrapper:
+ENTRY(sys_execve_wrapper)
execve_wrapper sys_execve
+ENDPROC(sys_execve_wrapper)
#ifdef CONFIG_64BIT
- .export sys32_execve_wrapper
.import sys32_execve
-
-sys32_execve_wrapper:
+ENTRY(sys32_execve_wrapper)
execve_wrapper sys32_execve
+ENDPROC(sys32_execve_wrapper)
#endif
- .export sys_rt_sigreturn_wrapper
-sys_rt_sigreturn_wrapper:
+ENTRY(sys_rt_sigreturn_wrapper)
LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r26
ldo TASK_REGS(%r26),%r26 /* get pt regs */
/* Don't save regs, we are going to restore them from sigcontext. */
@@ -1989,9 +1977,9 @@ sys_rt_sigreturn_wrapper:
*/
bv %r0(%r2)
LDREG PT_GR28(%r1),%r28 /* reload original r28 for syscall_exit */
+ENDPROC(sys_rt_sigreturn_wrapper)
- .export sys_sigaltstack_wrapper
-sys_sigaltstack_wrapper:
+ENTRY(sys_sigaltstack_wrapper)
/* Get the user stack pointer */
LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1
ldo TASK_REGS(%r1),%r24 /* get pt regs */
@@ -1999,10 +1987,10 @@ sys_sigaltstack_wrapper:
STREG %r2, -RP_OFFSET(%r30)
#ifdef CONFIG_64BIT
ldo FRAME_SIZE(%r30), %r30
- b,l do_sigaltstack,%r2
+ BL do_sigaltstack,%r2
ldo -16(%r30),%r29 /* Reference param save area */
#else
- bl do_sigaltstack,%r2
+ BL do_sigaltstack,%r2
ldo FRAME_SIZE(%r30), %r30
#endif
@@ -2010,53 +1998,26 @@ sys_sigaltstack_wrapper:
LDREG -RP_OFFSET(%r30), %r2
bv %r0(%r2)
nop
+ENDPROC(sys_sigaltstack_wrapper)
#ifdef CONFIG_64BIT
- .export sys32_sigaltstack_wrapper
-sys32_sigaltstack_wrapper:
+ENTRY(sys32_sigaltstack_wrapper)
/* Get the user stack pointer */
LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r24
LDREG TASK_PT_GR30(%r24),%r24
STREG %r2, -RP_OFFSET(%r30)
ldo FRAME_SIZE(%r30), %r30
- b,l do_sigaltstack32,%r2
+ BL do_sigaltstack32,%r2
ldo -16(%r30),%r29 /* Reference param save area */
ldo -FRAME_SIZE(%r30), %r30
LDREG -RP_OFFSET(%r30), %r2
bv %r0(%r2)
nop
+ENDPROC(sys32_sigaltstack_wrapper)
#endif
- .export sys_rt_sigsuspend_wrapper
-sys_rt_sigsuspend_wrapper:
- LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30), %r1
- ldo TASK_REGS(%r1),%r24
- reg_save %r24
-
- STREG %r2, -RP_OFFSET(%r30)
-#ifdef CONFIG_64BIT
- ldo FRAME_SIZE(%r30), %r30
- b,l sys_rt_sigsuspend,%r2
- ldo -16(%r30),%r29 /* Reference param save area */
-#else
- bl sys_rt_sigsuspend,%r2
- ldo FRAME_SIZE(%r30), %r30
-#endif
-
- ldo -FRAME_SIZE(%r30), %r30
- LDREG -RP_OFFSET(%r30), %r2
-
- LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30), %r1
- ldo TASK_REGS(%r1),%r1
- reg_restore %r1
-
- bv %r0(%r2)
- nop
-
- .export syscall_exit
-syscall_exit:
-
+ENTRY(syscall_exit)
/* NOTE: HP-UX syscalls also come through here
* after hpux_syscall_exit fixes up return
* values. */
@@ -2119,9 +2080,35 @@ syscall_check_resched:
LDREG TI_FLAGS-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r19 /* long */
bb,<,n %r19, 31-TIF_NEED_RESCHED, syscall_do_resched /* forward */
+ .import do_signal,code
syscall_check_sig:
- LDREG TI_FLAGS-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r19 /* get ti flags */
- bb,<,n %r19, 31-TIF_SIGPENDING, syscall_do_signal /* forward */
+ LDREG TI_FLAGS-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r19
+ ldi (_TIF_SIGPENDING|_TIF_RESTORE_SIGMASK), %r26
+ and,COND(<>) %r19, %r26, %r0
+ b,n syscall_restore /* skip past if we've nothing to do */
+
+syscall_do_signal:
+ /* Save callee-save registers (for sigcontext).
+ * FIXME: After this point the process structure should be
+ * consistent with all the relevant state of the process
+ * before the syscall. We need to verify this.
+ */
+ LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1
+ ldo TASK_REGS(%r1), %r26 /* struct pt_regs *regs */
+ reg_save %r26
+
+#ifdef CONFIG_64BIT
+ ldo -16(%r30),%r29 /* Reference param save area */
+#endif
+
+ BL do_notify_resume,%r2
+ ldi 1, %r25 /* long in_syscall = 1 */
+
+ LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1
+ ldo TASK_REGS(%r1), %r20 /* reload pt_regs */
+ reg_restore %r20
+
+ b,n syscall_check_sig
syscall_restore:
/* Are we being ptraced? */
@@ -2259,31 +2246,10 @@ syscall_do_resched:
#endif
b syscall_check_bh /* if resched, we start over again */
nop
+ENDPROC(syscall_exit)
- .import do_signal,code
-syscall_do_signal:
- /* Save callee-save registers (for sigcontext).
- FIXME: After this point the process structure should be
- consistent with all the relevant state of the process
- before the syscall. We need to verify this. */
- LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1
- ldo TASK_REGS(%r1), %r25 /* struct pt_regs *regs */
- reg_save %r25
-
- ldi 1, %r24 /* unsigned long in_syscall */
-
-#ifdef CONFIG_64BIT
- ldo -16(%r30),%r29 /* Reference param save area */
-#endif
- BL do_signal,%r2
- copy %r0, %r26 /* sigset_t *oldset = NULL */
-
- LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1
- ldo TASK_REGS(%r1), %r20 /* reload pt_regs */
- reg_restore %r20
-
- b,n syscall_check_sig
+get_register:
/*
* get_register is used by the non access tlb miss handlers to
* copy the value of the general register specified in r8 into
@@ -2294,8 +2260,6 @@ syscall_do_signal:
* a -1 in it, but that is OK, it just means that we will have
* to use the slow path instead).
*/
-
-get_register:
blr %r8,%r0
nop
bv %r0(%r25) /* r0 */
@@ -2363,13 +2327,13 @@ get_register:
bv %r0(%r25) /* r31 */
copy %r31,%r1
+
+set_register:
/*
* set_register is used by the non access tlb miss handlers to
* copy the value of r1 into the general register specified in
* r8.
*/
-
-set_register:
blr %r8,%r0
nop
bv %r0(%r25) /* r0 (silly, but it is a place holder) */
@@ -2436,3 +2400,4 @@ set_register:
copy %r1,%r30
bv %r0(%r25) /* r31 */
copy %r1,%r31
+
diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c
index 9158b707c0dd..39dc835bf89e 100644
--- a/arch/parisc/kernel/firmware.c
+++ b/arch/parisc/kernel/firmware.c
@@ -74,7 +74,7 @@ static DEFINE_SPINLOCK(pdc_lock);
static unsigned long pdc_result[32] __attribute__ ((aligned (8)));
static unsigned long pdc_result2[32] __attribute__ ((aligned (8)));
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
#define WIDE_FIRMWARE 0x1
#define NARROW_FIRMWARE 0x2
@@ -94,12 +94,12 @@ int parisc_narrow_firmware __read_mostly = 1;
* when running a 64-bit kernel on such boxes (e.g. C200 or C360).
*/
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
long real64_call(unsigned long function, ...);
#endif
long real32_call(unsigned long function, ...);
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
# define MEM_PDC (unsigned long)(PAGE0->mem_pdc_hi) << 32 | PAGE0->mem_pdc
# define mem_pdc_call(args...) unlikely(parisc_narrow_firmware) ? real32_call(MEM_PDC, args) : real64_call(MEM_PDC, args)
#else
@@ -117,7 +117,7 @@ long real32_call(unsigned long function, ...);
*/
static unsigned long f_extend(unsigned long address)
{
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
if(unlikely(parisc_narrow_firmware)) {
if((address & 0xff000000) == 0xf0000000)
return 0xf0f0f0f000000000UL | (u32)address;
@@ -139,7 +139,7 @@ static unsigned long f_extend(unsigned long address)
*/
static void convert_to_wide(unsigned long *addr)
{
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
int i;
unsigned int *p = (unsigned int *)addr;
@@ -158,7 +158,7 @@ static void convert_to_wide(unsigned long *addr)
*/
void __init set_firmware_width(void)
{
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
int retval;
unsigned long flags;
@@ -238,7 +238,7 @@ int __init pdc_chassis_info(struct pdc_chassis_info *chassis_info, void *led_inf
*
* Must be correctly formatted or expect system crash
*/
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
int pdc_pat_chassis_send_log(unsigned long state, unsigned long data)
{
int retval = 0;
@@ -949,7 +949,7 @@ int pdc_tod_set(unsigned long sec, unsigned long usec)
}
EXPORT_SYMBOL(pdc_tod_set);
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
int pdc_mem_mem_table(struct pdc_memory_table_raddr *r_addr,
struct pdc_memory_table *tbl, unsigned long entries)
{
@@ -965,7 +965,7 @@ int pdc_mem_mem_table(struct pdc_memory_table_raddr *r_addr,
return retval;
}
-#endif /* __LP64__ */
+#endif /* CONFIG_64BIT */
/* FIXME: Is this pdc used? I could not find type reference to ftc_bitmap
* so I guessed at unsigned long. Someone who knows what this does, can fix
@@ -1204,7 +1204,7 @@ int pdc_sti_call(unsigned long func, unsigned long flags,
}
EXPORT_SYMBOL(pdc_sti_call);
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
/**
* pdc_pat_cell_get_number - Returns the cell number.
* @cell_info: The return buffer.
@@ -1387,7 +1387,7 @@ int pdc_pat_io_pci_cfg_write(unsigned long pci_addr, int pci_size, u32 val)
return retval;
}
-#endif /* __LP64__ */
+#endif /* CONFIG_64BIT */
/***************** 32-bit real-mode calls ***********/
@@ -1445,7 +1445,7 @@ long real32_call(unsigned long fn, ...)
return real32_call_asm(&real_stack.sp, &real_stack.arg0, fn);
}
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
/***************** 64-bit real-mode calls ***********/
struct wide_stack {
@@ -1496,5 +1496,5 @@ long real64_call(unsigned long fn, ...)
return real64_call_asm(&real64_stack.sp, &real64_stack.arg0, fn);
}
-#endif /* __LP64__ */
+#endif /* CONFIG_64BIT */
diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S
index eaad2328fea1..9676c486bb63 100644
--- a/arch/parisc/kernel/head.S
+++ b/arch/parisc/kernel/head.S
@@ -2,7 +2,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 1999 by Helge Deller
+ * Copyright (C) 1999-2007 by Helge Deller <deller@gmx.de>
* Copyright 1999 SuSE GmbH (Philipp Rumpf)
* Copyright 1999 Philipp Rumpf (prumpf@tux.org)
* Copyright 2000 Hewlett Packard (Paul Bame, bame@puffin.external.hp.com)
@@ -19,16 +19,17 @@
#include <asm/assembly.h>
#include <asm/pgtable.h>
+#include <linux/linkage.h>
+
.level LEVEL
.data
-
- .export boot_args
-boot_args:
+ENTRY(boot_args)
.word 0 /* arg0 */
.word 0 /* arg1 */
.word 0 /* arg2 */
.word 0 /* arg3 */
+END(boot_args)
.text
.align 4
@@ -38,10 +39,9 @@ boot_args:
.import fault_vector_11,code /* IVA parisc 1.1 32 bit */
.import $global$ /* forward declaration */
#endif /*!CONFIG_64BIT*/
- .export stext
.export _stext,data /* Kernel want it this way! */
_stext:
-stext:
+ENTRY(stext)
.proc
.callinfo
@@ -343,6 +343,9 @@ smp_slave_stext:
.procend
#endif /* CONFIG_SMP */
+
+ENDPROC(stext)
+
#ifndef CONFIG_64BIT
.data
diff --git a/arch/parisc/kernel/hpmc.S b/arch/parisc/kernel/hpmc.S
index c412c0adc4a9..d8baa158d8a0 100644
--- a/arch/parisc/kernel/hpmc.S
+++ b/arch/parisc/kernel/hpmc.S
@@ -46,6 +46,8 @@
#include <asm/assembly.h>
#include <asm/pdc.h>
+#include <linux/linkage.h>
+
/*
* stack for os_hpmc, the HPMC handler.
* buffer for IODC procedures (for the HPMC handler).
@@ -69,17 +71,15 @@ hpmc_raddr:
#define HPMC_PIM_DATA_SIZE 896 /* Enough to hold all architected 2.0 state */
- .export hpmc_pim_data, data
.align 8
-hpmc_pim_data:
+ENTRY(hpmc_pim_data)
.block HPMC_PIM_DATA_SIZE
+END(hpmc_pim_data)
.text
- .export os_hpmc, code
.import intr_save, code
-
-os_hpmc:
+ENTRY(os_hpmc)
/*
* registers modified:
@@ -294,11 +294,9 @@ os_hpmc_6:
b .
nop
+ENDPROC(os_hpmc)
/* this label used to compute os_hpmc checksum */
-
- .export os_hpmc_end, code
-
-os_hpmc_end:
+ENTRY(os_hpmc_end)
nop
diff --git a/arch/parisc/kernel/inventory.c b/arch/parisc/kernel/inventory.c
index 4e847ba53180..4845a6444633 100644
--- a/arch/parisc/kernel/inventory.c
+++ b/arch/parisc/kernel/inventory.c
@@ -47,7 +47,7 @@ void __init setup_pdc(void)
struct pdc_system_map_mod_info module_result;
struct pdc_module_path module_path;
struct pdc_model model;
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
struct pdc_pat_cell_num cell_info;
#endif
@@ -73,7 +73,7 @@ void __init setup_pdc(void)
* clearer message.
*/
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
status = pdc_pat_cell_get_number(&cell_info);
if (status == PDC_OK) {
pdc_type = PDC_TYPE_PAT;
@@ -152,7 +152,7 @@ static void __init pagezero_memconfig(void)
npmem_ranges = 1;
}
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
/* All of the PDC PAT specific code is 64-bit only */
@@ -408,13 +408,13 @@ static void __init sprockets_memconfig(void)
}
}
-#else /* !__LP64__ */
+#else /* !CONFIG_64BIT */
#define pat_inventory() do { } while (0)
#define pat_memconfig() do { } while (0)
#define sprockets_memconfig() pagezero_memconfig()
-#endif /* !__LP64__ */
+#endif /* !CONFIG_64BIT */
#ifndef CONFIG_PA20
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index b39c5b9aff46..e9d09b020e86 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -336,11 +336,7 @@ unsigned int txn_alloc_data(unsigned int virt_irq)
static inline int eirr_to_irq(unsigned long eirr)
{
-#ifdef CONFIG_64BIT
- int bit = fls64(eirr);
-#else
- int bit = fls(eirr);
-#endif
+ int bit = fls_long(eirr);
return (BITS_PER_LONG - bit) + TIMER_IRQ;
}
diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c
index f50b982b0834..fdacdd4341c9 100644
--- a/arch/parisc/kernel/module.c
+++ b/arch/parisc/kernel/module.c
@@ -46,6 +46,7 @@
#include <linux/fs.h>
#include <linux/string.h>
#include <linux/kernel.h>
+#include <linux/bug.h>
#include <asm/unwind.h>
@@ -96,7 +97,7 @@ static inline int in_local_section(struct module *me, void *loc, void *dot)
}
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
struct got_entry {
Elf32_Addr addr;
};
@@ -176,7 +177,7 @@ void *module_alloc(unsigned long size)
return vmalloc(size);
}
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
static inline unsigned long count_gots(const Elf_Rela *rela, unsigned long n)
{
return 0;
@@ -319,7 +320,7 @@ int module_frob_arch_sections(CONST Elf_Ehdr *hdr,
return 0;
}
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
static Elf64_Word get_got(struct module *me, unsigned long value, long addend)
{
unsigned int i;
@@ -342,9 +343,9 @@ static Elf64_Word get_got(struct module *me, unsigned long value, long addend)
value);
return i * sizeof(struct got_entry);
}
-#endif /* __LP64__ */
+#endif /* CONFIG_64BIT */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
static Elf_Addr get_fdesc(struct module *me, unsigned long value)
{
Elf_Fdesc *fdesc = me->module_core + me->arch.fdesc_offset;
@@ -368,7 +369,7 @@ static Elf_Addr get_fdesc(struct module *me, unsigned long value)
fdesc->gp = (Elf_Addr)me->module_core + me->arch.got_offset;
return (Elf_Addr)fdesc;
}
-#endif /* __LP64__ */
+#endif /* CONFIG_64BIT */
enum elf_stub_type {
ELF_STUB_GOT,
@@ -394,7 +395,7 @@ static Elf_Addr get_stub(struct module *me, unsigned long value, long addend,
i * sizeof(struct stub_entry);
}
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
/* for 32-bit the stub looks like this:
* ldil L'XXX,%r1
* be,n R'XXX(%sr4,%r1)
@@ -472,7 +473,7 @@ int apply_relocate(Elf_Shdr *sechdrs,
return -ENOEXEC;
}
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
int apply_relocate_add(Elf_Shdr *sechdrs,
const char *strtab,
unsigned int symindex,
@@ -822,7 +823,8 @@ int module_finalize(const Elf_Ehdr *hdr,
me->name, strtab, symhdr);
if(me->arch.got_count > MAX_GOTS) {
- printk(KERN_ERR "%s: Global Offset Table overflow (used %ld, allowed %d\n", me->name, me->arch.got_count, MAX_GOTS);
+ printk(KERN_ERR "%s: Global Offset Table overflow (used %ld, allowed %d)\n",
+ me->name, me->arch.got_count, MAX_GOTS);
return -EINVAL;
}
@@ -850,10 +852,11 @@ int module_finalize(const Elf_Ehdr *hdr,
nsyms = newptr - (Elf_Sym *)symhdr->sh_addr;
DEBUGP("NEW num_symtab %lu\n", nsyms);
symhdr->sh_size = nsyms * sizeof(Elf_Sym);
- return 0;
+ return module_bug_finalize(hdr, sechdrs, me);
}
void module_arch_cleanup(struct module *mod)
{
deregister_unwind_table(mod);
+ module_bug_cleanup(mod);
}
diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S
index e81c9937d10a..90b240878520 100644
--- a/arch/parisc/kernel/pacache.S
+++ b/arch/parisc/kernel/pacache.S
@@ -27,31 +27,21 @@
*/
#ifdef CONFIG_64BIT
-#define ADDIB addib,*
-#define CMPB cmpb,*
-#define ANDCM andcm,*
-
.level 2.0w
#else
-#define ADDIB addib,
-#define CMPB cmpb,
-#define ANDCM andcm
-
.level 2.0
#endif
-
#include <asm/psw.h>
#include <asm/assembly.h>
#include <asm/pgtable.h>
#include <asm/cache.h>
+#include <linux/linkage.h>
.text
.align 128
- .export flush_tlb_all_local,code
-
-flush_tlb_all_local:
+ENTRY(flush_tlb_all_local)
.proc
.callinfo NO_CALLS
.entry
@@ -200,11 +190,11 @@ fdtdone:
.exit
.procend
+ENDPROC(flush_tlb_all_local)
- .export flush_instruction_cache_local,code
.import cache_info,data
-flush_instruction_cache_local:
+ENTRY(flush_instruction_cache_local)
.proc
.callinfo NO_CALLS
.entry
@@ -241,11 +231,11 @@ fisync:
.exit
.procend
+ENDPROC(flush_instruction_cache_local)
- .export flush_data_cache_local, code
- .import cache_info, data
-flush_data_cache_local:
+ .import cache_info, data
+ENTRY(flush_data_cache_local)
.proc
.callinfo NO_CALLS
.entry
@@ -283,11 +273,11 @@ fdsync:
.exit
.procend
+ENDPROC(flush_data_cache_local)
- .export copy_user_page_asm,code
.align 16
-copy_user_page_asm:
+ENTRY(copy_user_page_asm)
.proc
.callinfo NO_CALLS
.entry
@@ -409,6 +399,7 @@ copy_user_page_asm:
.exit
.procend
+ENDPROC(copy_user_page_asm)
/*
* NOTE: Code in clear_user_page has a hard coded dependency on the
@@ -446,9 +437,7 @@ copy_user_page_asm:
* lobby for such a change.
*/
- .export copy_user_page_asm,code
-
-copy_user_page_asm:
+ENTRY(copy_user_page_asm)
.proc
.callinfo NO_CALLS
.entry
@@ -534,11 +523,10 @@ copy_user_page_asm:
.exit
.procend
+ENDPROC(copy_user_page_asm)
#endif
- .export __clear_user_page_asm,code
-
-__clear_user_page_asm:
+ENTRY(__clear_user_page_asm)
.proc
.callinfo NO_CALLS
.entry
@@ -618,10 +606,9 @@ __clear_user_page_asm:
.exit
.procend
+ENDPROC(__clear_user_page_asm)
- .export flush_kernel_dcache_page_asm
-
-flush_kernel_dcache_page_asm:
+ENTRY(flush_kernel_dcache_page_asm)
.proc
.callinfo NO_CALLS
.entry
@@ -662,10 +649,9 @@ flush_kernel_dcache_page_asm:
.exit
.procend
+ENDPROC(flush_kernel_dcache_page_asm)
- .export flush_user_dcache_page
-
-flush_user_dcache_page:
+ENTRY(flush_user_dcache_page)
.proc
.callinfo NO_CALLS
.entry
@@ -706,10 +692,9 @@ flush_user_dcache_page:
.exit
.procend
+ENDPROC(flush_user_dcache_page)
- .export flush_user_icache_page
-
-flush_user_icache_page:
+ENTRY(flush_user_icache_page)
.proc
.callinfo NO_CALLS
.entry
@@ -750,11 +735,10 @@ flush_user_icache_page:
.exit
.procend
+ENDPROC(flush_user_icache_page)
- .export purge_kernel_dcache_page
-
-purge_kernel_dcache_page:
+ENTRY(purge_kernel_dcache_page)
.proc
.callinfo NO_CALLS
.entry
@@ -794,15 +778,14 @@ purge_kernel_dcache_page:
.exit
.procend
+ENDPROC(purge_kernel_dcache_page)
#if 0
/* Currently not used, but it still is a possible alternate
* solution.
*/
- .export flush_alias_page
-
-flush_alias_page:
+ENTRY(flush_alias_page)
.proc
.callinfo NO_CALLS
.entry
@@ -882,10 +865,9 @@ flush_user_dcache_range_asm:
.exit
.procend
+ENDPROC(flush_alias_page)
- .export flush_kernel_dcache_range_asm
-
-flush_kernel_dcache_range_asm:
+ENTRY(flush_kernel_dcache_range_asm)
.proc
.callinfo NO_CALLS
.entry
@@ -905,10 +887,9 @@ flush_kernel_dcache_range_asm:
.exit
.procend
+ENDPROC(flush_kernel_dcache_range_asm)
- .export flush_user_icache_range_asm
-
-flush_user_icache_range_asm:
+ENTRY(flush_user_icache_range_asm)
.proc
.callinfo NO_CALLS
.entry
@@ -927,10 +908,9 @@ flush_user_icache_range_asm:
.exit
.procend
+ENDPROC(flush_user_icache_range_asm)
- .export flush_kernel_icache_page
-
-flush_kernel_icache_page:
+ENTRY(flush_kernel_icache_page)
.proc
.callinfo NO_CALLS
.entry
@@ -971,10 +951,9 @@ flush_kernel_icache_page:
.exit
.procend
+ENDPROC(flush_kernel_icache_page)
- .export flush_kernel_icache_range_asm
-
-flush_kernel_icache_range_asm:
+ENTRY(flush_kernel_icache_range_asm)
.proc
.callinfo NO_CALLS
.entry
@@ -992,14 +971,13 @@ flush_kernel_icache_range_asm:
nop
.exit
.procend
+ENDPROC(flush_kernel_icache_range_asm)
/* align should cover use of rfi in disable_sr_hashing_asm and
* srdis_done.
*/
.align 256
- .export disable_sr_hashing_asm,code
-
-disable_sr_hashing_asm:
+ENTRY(disable_sr_hashing_asm)
.proc
.callinfo NO_CALLS
.entry
@@ -1088,5 +1066,6 @@ srdis_done:
.exit
.procend
+ENDPROC(disable_sr_hashing_asm)
.end
diff --git a/arch/parisc/kernel/parisc_ksyms.c b/arch/parisc/kernel/parisc_ksyms.c
index 8f6a0b312f7a..7aca704e96f0 100644
--- a/arch/parisc/kernel/parisc_ksyms.c
+++ b/arch/parisc/kernel/parisc_ksyms.c
@@ -7,7 +7,7 @@
* Copyright (C) 2001-2003 Grant Grundler <grundler with parisc-linux.org>
* Copyright (C) 2002-2003 Matthew Wilcox <willy at parisc-linux.org>
* Copyright (C) 2002 Randolph Chung <tausq at parisc-linux.org>
- * Copyright (C) 2002-2003 Helge Deller <deller with parisc-linux.org>
+ * Copyright (C) 2002-2007 Helge Deller <deller with parisc-linux.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -38,7 +38,7 @@ EXPORT_SYMBOL(__cmpxchg_u32);
#ifdef CONFIG_SMP
EXPORT_SYMBOL(__atomic_hash);
#endif
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
EXPORT_SYMBOL(__xchg64);
EXPORT_SYMBOL(__cmpxchg_u64);
#endif
@@ -58,7 +58,7 @@ EXPORT_SYMBOL(fixup_get_user_skip_2);
EXPORT_SYMBOL(fixup_put_user_skip_1);
EXPORT_SYMBOL(fixup_put_user_skip_2);
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
/* Needed so insmod can set dp value */
extern int $global$;
EXPORT_SYMBOL($global$);
@@ -135,7 +135,7 @@ EXPORT_SYMBOL(__muldi3);
asmlinkage void * __canonicalize_funcptr_for_compare(void *);
EXPORT_SYMBOL(__canonicalize_funcptr_for_compare);
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
extern void __divdi3(void);
extern void __udivdi3(void);
extern void __umoddi3(void);
@@ -147,7 +147,7 @@ EXPORT_SYMBOL(__umoddi3);
EXPORT_SYMBOL(__moddi3);
#endif
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
extern void $$dyncall(void);
EXPORT_SYMBOL($$dyncall);
#endif
diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c
index a6caf1073085..0c3aecb85a5c 100644
--- a/arch/parisc/kernel/pci-dma.c
+++ b/arch/parisc/kernel/pci-dma.c
@@ -342,7 +342,7 @@ pcxl_dma_init(void)
pcxl_res_map = (char *)__get_free_pages(GFP_KERNEL,
get_order(pcxl_res_size));
memset(pcxl_res_map, 0, pcxl_res_size);
- proc_gsc_root = proc_mkdir("gsc", 0);
+ proc_gsc_root = proc_mkdir("gsc", NULL);
if (!proc_gsc_root)
printk(KERN_WARNING
"pcxl_dma_init: Unable to create gsc /proc dir entry\n");
diff --git a/arch/parisc/kernel/pci.c b/arch/parisc/kernel/pci.c
index 199887a61c76..563df0072dee 100644
--- a/arch/parisc/kernel/pci.c
+++ b/arch/parisc/kernel/pci.c
@@ -200,8 +200,8 @@ static void
pcibios_link_hba_resources( struct resource *hba_res, struct resource *r)
{
if (!r->parent) {
- printk(KERN_EMERG "PCI: resource not parented! [%lx-%lx]\n",
- r->start, r->end);
+ printk(KERN_EMERG "PCI: resource not parented! [%p-%p]\n",
+ (void*) r->start, (void*) r->end);
r->parent = hba_res;
/* reverse link is harder *sigh* */
diff --git a/arch/parisc/kernel/perf_asm.S b/arch/parisc/kernel/perf_asm.S
index 5e7bb90e7e08..43874ca3ed67 100644
--- a/arch/parisc/kernel/perf_asm.S
+++ b/arch/parisc/kernel/perf_asm.S
@@ -20,6 +20,7 @@
*/
#include <asm/assembly.h>
+#include <linux/linkage.h>
#ifdef CONFIG_64BIT
.level 2.0w
@@ -41,10 +42,8 @@
; starting/stopping the coprocessor with the pmenb/pmdis.
;
.text
- .align 32
- .export perf_intrigue_enable_perf_counters,code
-perf_intrigue_enable_perf_counters:
+ENTRY(perf_intrigue_enable_perf_counters)
.proc
.callinfo frame=0,NO_CALLS
.entry
@@ -69,9 +68,9 @@ perf_intrigue_enable_perf_counters:
nop
.exit
.procend
+ENDPROC(perf_intrigue_enable_perf_counters)
- .export perf_intrigue_disable_perf_counters,code
-perf_intrigue_disable_perf_counters:
+ENTRY(perf_intrigue_disable_perf_counters)
.proc
.callinfo frame=0,NO_CALLS
.entry
@@ -86,6 +85,7 @@ perf_intrigue_disable_perf_counters:
mtctl %r26,ccr ; turn off performance coprocessor
.exit
.procend
+ENDPROC(perf_intrigue_disable_perf_counters)
;***********************************************************************
;*
@@ -117,8 +117,7 @@ perf_intrigue_disable_perf_counters:
;*
;***********************************************************************
- .export perf_rdr_shift_in_W,code
-perf_rdr_shift_in_W:
+ENTRY(perf_rdr_shift_in_W)
.proc
.callinfo frame=0,NO_CALLS
.entry
@@ -550,6 +549,7 @@ perf_rdr_shift_in_W_leave:
.exit
MTDIAG_2 (24) ; restore DR2
.procend
+ENDPROC(perf_rdr_shift_in_W)
;***********************************************************************
@@ -575,8 +575,7 @@ perf_rdr_shift_in_W_leave:
;*
;***********************************************************************
- .export perf_rdr_shift_out_W,code
-perf_rdr_shift_out_W:
+ENTRY(perf_rdr_shift_out_W)
.proc
.callinfo frame=0,NO_CALLS
.entry
@@ -983,6 +982,7 @@ perf_rdr_shift_out_W_leave:
.exit
MTDIAG_2 (23) ; restore DR2
.procend
+ENDPROC(perf_rdr_shift_out_W)
;***********************************************************************
@@ -1012,8 +1012,7 @@ perf_rdr_shift_out_W_leave:
;*
;***********************************************************************
- .export perf_rdr_shift_in_U,code
-perf_rdr_shift_in_U:
+ENTRY(perf_rdr_shift_in_U)
.proc
.callinfo frame=0,NO_CALLS
.entry
@@ -1343,6 +1342,7 @@ perf_rdr_shift_in_U_leave:
.exit
MTDIAG_2 (24) ; restore DR2
.procend
+ENDPROC(perf_rdr_shift_in_U)
;***********************************************************************
;*
@@ -1369,8 +1369,7 @@ perf_rdr_shift_in_U_leave:
;*
;***********************************************************************
- .export perf_rdr_shift_out_U,code
-perf_rdr_shift_out_U:
+ENTRY(perf_rdr_shift_out_U)
.proc
.callinfo frame=0,NO_CALLS
.entry
@@ -1687,4 +1686,5 @@ perf_rdr_shift_out_U_leave:
.exit
MTDIAG_2 (23) ; restore DR2
.procend
+ENDPROC(perf_rdr_shift_out_U)
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index 2f9f9dfa66f7..0dd3847f494c 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -13,7 +13,7 @@
* Copyright (C) 2000 Grant Grundler <grundler with parisc-linux.org>
* Copyright (C) 2001 Alan Modra <amodra at parisc-linux.org>
* Copyright (C) 2001-2002 Ryan Bradetich <rbrad at parisc-linux.org>
- * Copyright (C) 2001-2002 Helge Deller <deller at parisc-linux.org>
+ * Copyright (C) 2001-2007 Helge Deller <deller at parisc-linux.org>
* Copyright (C) 2002 Randolph Chung <tausq with parisc-linux.org>
*
*
@@ -303,7 +303,7 @@ copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
* Copy function and argument to be called from
* ret_from_kernel_thread.
*/
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
cregs->gr[27] = pregs->gr[27];
#endif
cregs->gr[26] = pregs->gr[26];
@@ -355,8 +355,8 @@ asmlinkage int sys_execve(struct pt_regs *regs)
error = PTR_ERR(filename);
if (IS_ERR(filename))
goto out;
- error = do_execve(filename, (char __user **) regs->gr[25],
- (char __user **) regs->gr[24], regs);
+ error = do_execve(filename, (char __user * __user *) regs->gr[25],
+ (char __user * __user *) regs->gr[24], regs);
if (error == 0) {
task_lock(current);
current->ptrace &= ~PT_DTRACE;
diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c
index fb81e5687e7c..7c056dcebf55 100644
--- a/arch/parisc/kernel/processor.c
+++ b/arch/parisc/kernel/processor.c
@@ -93,7 +93,7 @@ static int __init processor_probe(struct parisc_device *dev)
cpuid = boot_cpu_data.cpu_count;
txn_addr = dev->hpa.start; /* for legacy PDC */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
if (is_pdc_pat()) {
ulong status;
unsigned long bytecnt;
@@ -153,8 +153,6 @@ static int __init processor_probe(struct parisc_device *dev)
p->cpuid = cpuid; /* save CPU id */
p->txn_addr = txn_addr; /* save CPU IRQ address */
#ifdef CONFIG_SMP
- spin_lock_init(&p->lock);
-
/*
** FIXME: review if any other initialization is clobbered
** for boot_cpu by the above memset().
@@ -311,11 +309,11 @@ int __init init_per_cpu(int cpunum)
} else {
printk(KERN_WARNING "WARNING: No FP CoProcessor?!"
" (coproc_cfg.ccr_functional == 0x%lx, expected 0xc0)\n"
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
"Halting Machine - FP required\n"
#endif
, coproc_cfg.ccr_functional);
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
mdelay(100); /* previous chars get pushed to console */
panic("FP CoProc not reported");
#endif
@@ -339,9 +337,6 @@ show_cpuinfo (struct seq_file *m, void *v)
#ifdef CONFIG_SMP
if (0 == cpu_data[n].hpa)
continue;
-#ifdef ENTRY_SYS_CPUS
-#error iCOD support wants to show CPU state here
-#endif
#endif
seq_printf(m, "processor\t: %d\n"
"cpu family\t: PA-RISC %s\n",
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index 3f28de974556..0d0d617b6f21 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -36,7 +36,7 @@
#define DBG(x...)
#endif
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
/* This function is needed to translate 32 bit pt_regs offsets in to
* 64 bit pt_regs offsets. For example, a 32 bit gdb under a 64 bit kernel
@@ -90,7 +90,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
case PTRACE_PEEKDATA: {
int copied;
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
if (__is_compat_task(child)) {
unsigned int tmp;
@@ -122,7 +122,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
case PTRACE_POKETEXT: /* write the word at location addr. */
case PTRACE_POKEDATA:
ret = 0;
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
if (__is_compat_task(child)) {
unsigned int tmp = (unsigned int)data;
DBG("sys_ptrace(POKE%s, %d, %lx, %lx)\n",
@@ -145,7 +145,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
processes, the kernel saves all regs on a syscall. */
case PTRACE_PEEKUSR: {
ret = -EIO;
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
if (__is_compat_task(child)) {
unsigned int tmp;
@@ -204,7 +204,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
ret = 0;
goto out_tsk;
}
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
if (__is_compat_task(child)) {
if (addr & (sizeof(int)-1))
goto out_tsk;
diff --git a/arch/parisc/kernel/real2.S b/arch/parisc/kernel/real2.S
index 789061f6ceb4..7a92695d95a6 100644
--- a/arch/parisc/kernel/real2.S
+++ b/arch/parisc/kernel/real2.S
@@ -11,6 +11,8 @@
#include <asm/psw.h>
#include <asm/assembly.h>
+#include <linux/linkage.h>
+
.section .bss
.export real_stack
.export real32_stack
@@ -39,8 +41,6 @@ save_cr_end:
.text
- .export real32_call_asm
-
/* unsigned long real32_call_asm(unsigned int *sp,
* unsigned int *arg0p,
* unsigned int iodc_fn)
@@ -49,7 +49,7 @@ save_cr_end:
* iodc_fn is the IODC function to call
*/
-real32_call_asm:
+ENTRY(real32_call_asm)
STREG %rp, -RP_OFFSET(%sp) /* save RP */
#ifdef CONFIG_64BIT
callee_save
@@ -107,6 +107,7 @@ ric_ret:
LDREG -RP_OFFSET(%sp), %rp /* restore RP */
bv 0(%rp)
nop
+ENDPROC(real32_call_asm)
# define PUSH_CR(r, where) mfctl r, %r1 ! STREG,ma %r1, REG_SZ(where)
@@ -218,7 +219,6 @@ rfi_r2v_1:
/************************ 64-bit real-mode calls ***********************/
/* This is only usable in wide kernels right now and will probably stay so */
.text
- .export real64_call_asm
/* unsigned long real64_call_asm(unsigned long *sp,
* unsigned long *arg0p,
* unsigned long fn)
@@ -226,7 +226,7 @@ rfi_r2v_1:
* arg0p points to where saved arg values may be found
* iodc_fn is the IODC function to call
*/
-real64_call_asm:
+ENTRY(real64_call_asm)
std %rp, -0x10(%sp) /* save RP */
std %sp, -8(%arg0) /* save SP on real-mode stack */
copy %arg0, %sp /* adopt the real-mode SP */
@@ -272,19 +272,21 @@ r64_ret:
ldd -0x10(%sp), %rp /* restore RP */
bv 0(%rp)
nop
+ENDPROC(real64_call_asm)
#endif
- .export __canonicalize_funcptr_for_compare
.text
/* http://lists.parisc-linux.org/hypermail/parisc-linux/10916.html
** GCC 3.3 and later has a new function in libgcc.a for
** comparing function pointers.
*/
-__canonicalize_funcptr_for_compare:
+ENTRY(__canonicalize_funcptr_for_compare)
#ifdef CONFIG_64BIT
bve (%r2)
#else
bv %r0(%r2)
#endif
copy %r26,%r28
+ENDPROC(__canonicalize_funcptr_for_compare)
+
diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c
index 74b3686dd1e0..bd2116e03f34 100644
--- a/arch/parisc/kernel/setup.c
+++ b/arch/parisc/kernel/setup.c
@@ -120,13 +120,13 @@ extern void collect_boot_cpu_data(void);
void __init setup_arch(char **cmdline_p)
{
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
extern int parisc_narrow_firmware;
#endif
init_per_cpu(smp_processor_id()); /* Set Modes & Enable FP */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
printk(KERN_INFO "The 64-bit Kernel has started...\n");
#else
printk(KERN_INFO "The 32-bit Kernel has started...\n");
@@ -134,7 +134,7 @@ void __init setup_arch(char **cmdline_p)
pdc_console_init();
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
if(parisc_narrow_firmware) {
printk(KERN_INFO "Kernel is using PDC in 32-bit mode.\n");
}
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index ee6653edeb7a..9784e405f849 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -59,58 +59,13 @@
* this. */
#define A(__x) ((unsigned long)(__x))
-int do_signal(sigset_t *oldset, struct pt_regs *regs, int in_syscall);
-
/*
* Atomically swap in the new signal mask, and wait for a signal.
*/
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
#include "sys32.h"
#endif
-asmlinkage int
-sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize, struct pt_regs *regs)
-{
- sigset_t saveset, newset;
-#ifdef __LP64__
- compat_sigset_t newset32;
-
- if (is_compat_task()) {
- /* XXX: Don't preclude handling different sized sigset_t's. */
- if (sigsetsize != sizeof(compat_sigset_t))
- return -EINVAL;
- if (copy_from_user(&newset32, (compat_sigset_t __user *)unewset, sizeof(newset32)))
- return -EFAULT;
- sigset_32to64(&newset,&newset32);
-
- } else
-#endif
- {
- /* XXX: Don't preclude handling different sized sigset_t's. */
- if (sigsetsize != sizeof(sigset_t))
- return -EINVAL;
-
- if (copy_from_user(&newset, unewset, sizeof(newset)))
- return -EFAULT;
- }
-
- sigdelsetmask(&newset, ~_BLOCKABLE);
-
- spin_lock_irq(&current->sighand->siglock);
- saveset = current->blocked;
- current->blocked = newset;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
-
- regs->gr[28] = -EINTR;
- while (1) {
- current->state = TASK_INTERRUPTIBLE;
- schedule();
- if (do_signal(&saveset, regs, 1))
- return -EINTR;
- }
-}
-
/*
* Do a signal return - restore sigcontext.
*/
@@ -148,7 +103,7 @@ sys_rt_sigreturn(struct pt_regs *regs, int in_syscall)
sigset_t set;
unsigned long usp = (regs->gr[30] & ~(0x01UL));
unsigned long sigframe_size = PARISC_RT_SIGFRAME_SIZE;
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
compat_sigset_t compat_set;
struct compat_rt_sigframe __user * compat_frame;
@@ -162,7 +117,7 @@ sys_rt_sigreturn(struct pt_regs *regs, int in_syscall)
(usp - sigframe_size);
DBG(2,"sys_rt_sigreturn: frame is %p\n", frame);
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
compat_frame = (struct compat_rt_sigframe __user *)frame;
if (is_compat_task()) {
@@ -184,7 +139,7 @@ sys_rt_sigreturn(struct pt_regs *regs, int in_syscall)
spin_unlock_irq(&current->sighand->siglock);
/* Good thing we saved the old gr[30], eh? */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
if (is_compat_task()) {
DBG(1,"sys_rt_sigreturn: compat_frame->uc.uc_mcontext 0x%p\n",
&compat_frame->uc.uc_mcontext);
@@ -296,7 +251,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
unsigned long rp, usp;
unsigned long haddr, sigframe_size;
int err = 0;
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
compat_int_t compat_val;
struct compat_rt_sigframe __user * compat_frame;
compat_sigset_t compat_set;
@@ -310,7 +265,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
DBG(1,"setup_rt_frame: frame %p info %p\n", frame, info);
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
compat_frame = (struct compat_rt_sigframe __user *)frame;
@@ -390,7 +345,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
haddr = A(ka->sa.sa_handler);
/* The sa_handler may be a pointer to a function descriptor */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
if (is_compat_task()) {
#endif
if (haddr & PA_PLABEL_FDESC) {
@@ -405,7 +360,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
haddr = fdesc.addr;
regs->gr[19] = fdesc.gp;
}
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
} else {
Elf64_Fdesc fdesc;
Elf64_Fdesc __user *ufdesc = (Elf64_Fdesc __user *)A(haddr & ~3);
@@ -425,19 +380,19 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
/* The syscall return path will create IAOQ values from r31.
*/
sigframe_size = PARISC_RT_SIGFRAME_SIZE;
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
if (is_compat_task())
sigframe_size = PARISC_RT_SIGFRAME_SIZE32;
#endif
if (in_syscall) {
regs->gr[31] = haddr;
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
if (!test_thread_flag(TIF_32BIT))
sigframe_size |= 1;
#endif
} else {
unsigned long psw = USER_PSW;
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
if (!test_thread_flag(TIF_32BIT))
psw |= PSW_W;
#endif
@@ -462,7 +417,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
regs->gr[2] = rp; /* userland return pointer */
regs->gr[26] = sig; /* signal number */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
if (is_compat_task()) {
regs->gr[25] = A(&compat_frame->info); /* siginfo pointer */
regs->gr[24] = A(&compat_frame->uc); /* ucontext pointer */
@@ -516,6 +471,97 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
return 1;
}
+static inline void
+syscall_restart(struct pt_regs *regs, struct k_sigaction *ka)
+{
+ /* Check the return code */
+ switch (regs->gr[28]) {
+ case -ERESTART_RESTARTBLOCK:
+ current_thread_info()->restart_block.fn =
+ do_no_restart_syscall;
+ case -ERESTARTNOHAND:
+ DBG(1,"ERESTARTNOHAND: returning -EINTR\n");
+ regs->gr[28] = -EINTR;
+ break;
+
+ case -ERESTARTSYS:
+ if (!(ka->sa.sa_flags & SA_RESTART)) {
+ DBG(1,"ERESTARTSYS: putting -EINTR\n");
+ regs->gr[28] = -EINTR;
+ break;
+ }
+ /* fallthrough */
+ case -ERESTARTNOINTR:
+ /* A syscall is just a branch, so all
+ * we have to do is fiddle the return pointer.
+ */
+ regs->gr[31] -= 8; /* delayed branching */
+ /* Preserve original r28. */
+ regs->gr[28] = regs->orig_r28;
+ break;
+ }
+}
+
+static inline void
+insert_restart_trampoline(struct pt_regs *regs)
+{
+ switch(regs->gr[28]) {
+ case -ERESTART_RESTARTBLOCK: {
+ /* Restart the system call - no handlers present */
+ unsigned int *usp = (unsigned int *)regs->gr[30];
+
+ /* Setup a trampoline to restart the syscall
+ * with __NR_restart_syscall
+ *
+ * 0: <return address (orig r31)>
+ * 4: <2nd half for 64-bit>
+ * 8: ldw 0(%sp), %r31
+ * 12: be 0x100(%sr2, %r0)
+ * 16: ldi __NR_restart_syscall, %r20
+ */
+#ifdef CONFIG_64BIT
+ put_user(regs->gr[31] >> 32, &usp[0]);
+ put_user(regs->gr[31] & 0xffffffff, &usp[1]);
+ put_user(0x0fc010df, &usp[2]);
+#else
+ put_user(regs->gr[31], &usp[0]);
+ put_user(0x0fc0109f, &usp[2]);
+#endif
+ put_user(0xe0008200, &usp[3]);
+ put_user(0x34140000, &usp[4]);
+
+ /* Stack is 64-byte aligned, and we only need
+ * to flush 1 cache line.
+ * Flushing one cacheline is cheap.
+ * "sync" on bigger (> 4 way) boxes is not.
+ */
+ flush_icache_range(regs->gr[30], regs->gr[30] + 4);
+
+ regs->gr[31] = regs->gr[30] + 8;
+ /* Preserve original r28. */
+ regs->gr[28] = regs->orig_r28;
+
+ return;
+ }
+ case -ERESTARTNOHAND:
+ case -ERESTARTSYS:
+ case -ERESTARTNOINTR: {
+ /* Hooray for delayed branching. We don't
+ * have to restore %r20 (the system call
+ * number) because it gets loaded in the delay
+ * slot of the branch external instruction.
+ */
+ regs->gr[31] -= 8;
+ /* Preserve original r28. */
+ regs->gr[28] = regs->orig_r28;
+
+ return;
+ }
+ default:
+ break;
+ }
+}
+
/*
* Note that 'init' is a special process: it doesn't get signals it doesn't
* want to handle. Thus you cannot kill init even with a SIGKILL even by
@@ -527,13 +573,13 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
* registers). As noted below, the syscall number gets restored for
* us due to the magic of delayed branching.
*/
-
-asmlinkage int
-do_signal(sigset_t *oldset, struct pt_regs *regs, int in_syscall)
+asmlinkage void
+do_signal(struct pt_regs *regs, long in_syscall)
{
siginfo_t info;
struct k_sigaction ka;
int signr;
+ sigset_t *oldset;
DBG(1,"\ndo_signal: oldset=0x%p, regs=0x%p, sr7 %#lx, in_syscall=%d\n",
oldset, regs, regs->sr[7], in_syscall);
@@ -543,7 +589,9 @@ do_signal(sigset_t *oldset, struct pt_regs *regs, int in_syscall)
we would be called in that case, but for some reason we
are. */
- if (!oldset)
+ if (test_thread_flag(TIF_RESTORE_SIGMASK))
+ oldset = &current->saved_sigmask;
+ else
oldset = &current->blocked;
DBG(1,"do_signal: oldset %08lx / %08lx\n",
@@ -560,98 +608,41 @@ do_signal(sigset_t *oldset, struct pt_regs *regs, int in_syscall)
break;
/* Restart a system call if necessary. */
- if (in_syscall) {
- /* Check the return code */
- switch (regs->gr[28]) {
- case -ERESTART_RESTARTBLOCK:
- current_thread_info()->restart_block.fn = do_no_restart_syscall;
- case -ERESTARTNOHAND:
- DBG(1,"ERESTARTNOHAND: returning -EINTR\n");
- regs->gr[28] = -EINTR;
- break;
-
- case -ERESTARTSYS:
- if (!(ka.sa.sa_flags & SA_RESTART)) {
- DBG(1,"ERESTARTSYS: putting -EINTR\n");
- regs->gr[28] = -EINTR;
- break;
- }
- /* fallthrough */
- case -ERESTARTNOINTR:
- /* A syscall is just a branch, so all
- we have to do is fiddle the return pointer. */
- regs->gr[31] -= 8; /* delayed branching */
- /* Preserve original r28. */
- regs->gr[28] = regs->orig_r28;
- break;
- }
- }
+ if (in_syscall)
+ syscall_restart(regs, &ka);
+
/* Whee! Actually deliver the signal. If the
delivery failed, we need to continue to iterate in
this loop so we can deliver the SIGSEGV... */
- if (handle_signal(signr, &info, &ka, oldset, regs, in_syscall)) {
+ if (handle_signal(signr, &info, &ka, oldset,
+ regs, in_syscall)) {
DBG(1,KERN_DEBUG "do_signal: Exit (success), regs->gr[28] = %ld\n",
regs->gr[28]);
- return 1;
+ if (test_thread_flag(TIF_RESTORE_SIGMASK))
+ clear_thread_flag(TIF_RESTORE_SIGMASK);
+ return;
}
}
/* end of while(1) looping forever if we can't force a signal */
/* Did we come from a system call? */
- if (in_syscall) {
- /* Restart the system call - no handlers present */
- if (regs->gr[28] == -ERESTART_RESTARTBLOCK) {
- unsigned int *usp = (unsigned int *)regs->gr[30];
-
- /* Setup a trampoline to restart the syscall
- * with __NR_restart_syscall
- *
- * 0: <return address (orig r31)>
- * 4: <2nd half for 64-bit>
- * 8: ldw 0(%sp), %r31
- * 12: be 0x100(%sr2, %r0)
- * 16: ldi __NR_restart_syscall, %r20
- */
-#ifndef __LP64__
- put_user(regs->gr[31], &usp[0]);
- put_user(0x0fc0109f, &usp[2]);
-#else
- put_user(regs->gr[31] >> 32, &usp[0]);
- put_user(regs->gr[31] & 0xffffffff, &usp[1]);
- put_user(0x0fc010df, &usp[2]);
-#endif
- put_user(0xe0008200, &usp[3]);
- put_user(0x34140000, &usp[4]);
-
- /* Stack is 64-byte aligned, and we only need
- * to flush 1 cache line.
- * Flushing one cacheline is cheap.
- * "sync" on bigger (> 4 way) boxes is not.
- */
- asm("fdc %%r0(%%sr3, %0)\n"
- "sync\n"
- "fic %%r0(%%sr3, %0)\n"
- "sync\n"
- : : "r"(regs->gr[30]));
-
- regs->gr[31] = regs->gr[30] + 8;
- /* Preserve original r28. */
- regs->gr[28] = regs->orig_r28;
- } else if (regs->gr[28] == -ERESTARTNOHAND ||
- regs->gr[28] == -ERESTARTSYS ||
- regs->gr[28] == -ERESTARTNOINTR) {
- /* Hooray for delayed branching. We don't
- have to restore %r20 (the system call
- number) because it gets loaded in the delay
- slot of the branch external instruction. */
- regs->gr[31] -= 8;
- /* Preserve original r28. */
- regs->gr[28] = regs->orig_r28;
- }
- }
+ if (in_syscall)
+ insert_restart_trampoline(regs);
DBG(1,"do_signal: Exit (not delivered), regs->gr[28] = %ld\n",
regs->gr[28]);
- return 0;
+ if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
+ clear_thread_flag(TIF_RESTORE_SIGMASK);
+ sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
+ }
+
+ return;
+}
+
+void do_notify_resume(struct pt_regs *regs, long in_syscall)
+{
+ if (test_thread_flag(TIF_SIGPENDING) ||
+ test_thread_flag(TIF_RESTORE_SIGMASK))
+ do_signal(regs, in_syscall);
}
diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c
index a6b4231cafa1..1c1a37f73053 100644
--- a/arch/parisc/kernel/signal32.c
+++ b/arch/parisc/kernel/signal32.c
@@ -1,6 +1,8 @@
/* Signal support for 32-bit kernel builds
*
* Copyright (C) 2001 Matthew Wilcox <willy at parisc-linux.org>
+ * Copyright (C) 2006 Kyle McMartin <kyle at parisc-linux.org>
+ *
* Code was mostly borrowed from kernel/signal.c.
* See kernel/signal.c for additional Copyrights.
*
@@ -401,7 +403,7 @@ setup_sigcontext32(struct compat_sigcontext __user *sc, struct compat_regfile __
int
copy_siginfo_from_user32 (siginfo_t *to, compat_siginfo_t __user *from)
{
- unsigned long tmp;
+ compat_uptr_t addr;
int err;
if (!access_ok(VERIFY_READ, from, sizeof(compat_siginfo_t)))
@@ -424,8 +426,8 @@ copy_siginfo_from_user32 (siginfo_t *to, compat_siginfo_t __user *from)
err |= __get_user(to->si_uid, &from->si_uid);
break;
case __SI_FAULT >> 16:
- err |= __get_user(tmp, &from->si_addr);
- to->si_addr = (void __user *) tmp;
+ err |= __get_user(addr, &from->si_addr);
+ to->si_addr = compat_ptr(addr);
break;
case __SI_POLL >> 16:
err |= __get_user(to->si_band, &from->si_band);
@@ -445,7 +447,8 @@ copy_siginfo_from_user32 (siginfo_t *to, compat_siginfo_t __user *from)
int
copy_siginfo_to_user32 (compat_siginfo_t __user *to, siginfo_t *from)
{
- unsigned int addr;
+ compat_uptr_t addr;
+ compat_int_t val;
int err;
if (!access_ok(VERIFY_WRITE, to, sizeof(compat_siginfo_t)))
@@ -474,8 +477,8 @@ copy_siginfo_to_user32 (compat_siginfo_t __user *to, siginfo_t *from)
err |= __put_user(from->si_uid, &to->si_uid);
break;
case __SI_FAULT >> 16:
- /* avoid type-checking warnings by copying _pad[0] in lieu of si_addr... */
- err |= __put_user(from->_sifields._pad[0], &to->si_addr);
+ addr = ptr_to_compat(from->si_addr);
+ err |= __put_user(addr, &to->si_addr);
break;
case __SI_POLL >> 16:
err |= __put_user(from->si_band, &to->si_band);
@@ -484,17 +487,36 @@ copy_siginfo_to_user32 (compat_siginfo_t __user *to, siginfo_t *from)
case __SI_TIMER >> 16:
err |= __put_user(from->si_tid, &to->si_tid);
err |= __put_user(from->si_overrun, &to->si_overrun);
- addr = (unsigned long) from->si_ptr;
- err |= __put_user(addr, &to->si_ptr);
+ val = (compat_int_t)from->si_int;
+ err |= __put_user(val, &to->si_int);
break;
case __SI_RT >> 16: /* Not generated by the kernel as of now. */
case __SI_MESGQ >> 16:
err |= __put_user(from->si_uid, &to->si_uid);
err |= __put_user(from->si_pid, &to->si_pid);
- addr = (unsigned long) from->si_ptr;
- err |= __put_user(addr, &to->si_ptr);
+ val = (compat_int_t)from->si_int;
+ err |= __put_user(val, &to->si_int);
break;
}
}
return err;
}
+
+asmlinkage long compat_sys_rt_sigqueueinfo(int pid, int sig,
+ struct compat_siginfo __user *uinfo)
+{
+ siginfo_t info;
+
+ if (copy_siginfo_from_user32(&info, uinfo))
+ return -EFAULT;
+
+ /* Not even root can pretend to send signals from the kernel.
+ Nor can they impersonate a kill(), which adds source info. */
+ if (info.si_code >= 0)
+ return -EPERM;
+ info.si_signo = sig;
+
+ /* POSIX.1b doesn't mention process groups. */
+ return kill_proc_info(sig, &info, pid);
+}
+
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index 12cc019307ad..6ba9257fdb7f 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -16,9 +16,6 @@
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
*/
-#undef ENTRY_SYS_CPUS /* syscall support for iCOD-like functionality */
-
-
#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
@@ -51,7 +48,15 @@
#include <asm/unistd.h>
#include <asm/cacheflush.h>
-#define kDEBUG 0
+#undef DEBUG_SMP
+#ifdef DEBUG_SMP
+static int smp_debug_lvl = 0;
+#define smp_debug(lvl, printargs...) \
+ if (lvl >= smp_debug_lvl) \
+ printk(printargs);
+#else
+#define smp_debug(lvl, ...)
+#endif /* DEBUG_SMP */
DEFINE_SPINLOCK(smp_lock);
@@ -76,6 +81,7 @@ cpumask_t cpu_possible_map __read_mostly = CPU_MASK_ALL; /* Bitmap of Present CP
EXPORT_SYMBOL(cpu_online_map);
EXPORT_SYMBOL(cpu_possible_map);
+DEFINE_PER_CPU(spinlock_t, ipi_lock) = SPIN_LOCK_UNLOCKED;
struct smp_call_struct {
void (*func) (void *info);
@@ -107,13 +113,6 @@ enum ipi_message_type {
static void
ipi_init(int cpuid)
{
-
- /* If CPU is present ... */
-#ifdef ENTRY_SYS_CPUS
- /* *and* running (not stopped) ... */
-#error iCOD support wants state checked here.
-#endif
-
#error verify IRQ_OFFSET(IPI_IRQ) is ipi_interrupt() in new IRQ region
if(cpu_online(cpuid) )
@@ -133,23 +132,12 @@ ipi_init(int cpuid)
static void
halt_processor(void)
{
-#ifdef ENTRY_SYS_CPUS
-#error halt_processor() needs rework
-/*
-** o migrate I/O interrupts off this CPU.
-** o leave IPI enabled - __cli() will disable IPI.
-** o leave CPU in online map - just change the state
-*/
- cpu_data[this_cpu].state = STATE_STOPPED;
- mark_bh(IPI_BH);
-#else
/* REVISIT : redirect I/O Interrupts to another CPU? */
/* REVISIT : does PM *know* this CPU isn't available? */
cpu_clear(smp_processor_id(), cpu_online_map);
local_irq_disable();
for (;;)
;
-#endif
}
@@ -167,10 +155,11 @@ ipi_interrupt(int irq, void *dev_id)
mb(); /* Order interrupt and bit testing. */
for (;;) {
- spin_lock_irqsave(&(p->lock),flags);
+ spinlock_t *lock = &per_cpu(ipi_lock, this_cpu);
+ spin_lock_irqsave(lock, flags);
ops = p->pending_ipi;
p->pending_ipi = 0;
- spin_unlock_irqrestore(&(p->lock),flags);
+ spin_unlock_irqrestore(lock, flags);
mb(); /* Order bit clearing and data access. */
@@ -184,15 +173,11 @@ ipi_interrupt(int irq, void *dev_id)
switch (which) {
case IPI_NOP:
-#if (kDEBUG>=100)
- printk(KERN_DEBUG "CPU%d IPI_NOP\n",this_cpu);
-#endif /* kDEBUG */
+ smp_debug(100, KERN_DEBUG "CPU%d IPI_NOP\n", this_cpu);
break;
case IPI_RESCHEDULE:
-#if (kDEBUG>=100)
- printk(KERN_DEBUG "CPU%d IPI_RESCHEDULE\n",this_cpu);
-#endif /* kDEBUG */
+ smp_debug(100, KERN_DEBUG "CPU%d IPI_RESCHEDULE\n", this_cpu);
/*
* Reschedule callback. Everything to be
* done is done by the interrupt return path.
@@ -200,9 +185,7 @@ ipi_interrupt(int irq, void *dev_id)
break;
case IPI_CALL_FUNC:
-#if (kDEBUG>=100)
- printk(KERN_DEBUG "CPU%d IPI_CALL_FUNC\n",this_cpu);
-#endif /* kDEBUG */
+ smp_debug(100, KERN_DEBUG "CPU%d IPI_CALL_FUNC\n", this_cpu);
{
volatile struct smp_call_struct *data;
void (*func)(void *info);
@@ -233,28 +216,16 @@ ipi_interrupt(int irq, void *dev_id)
break;
case IPI_CPU_START:
-#if (kDEBUG>=100)
- printk(KERN_DEBUG "CPU%d IPI_CPU_START\n",this_cpu);
-#endif /* kDEBUG */
-#ifdef ENTRY_SYS_CPUS
- p->state = STATE_RUNNING;
-#endif
+ smp_debug(100, KERN_DEBUG "CPU%d IPI_CPU_START\n", this_cpu);
break;
case IPI_CPU_STOP:
-#if (kDEBUG>=100)
- printk(KERN_DEBUG "CPU%d IPI_CPU_STOP\n",this_cpu);
-#endif /* kDEBUG */
-#ifdef ENTRY_SYS_CPUS
-#else
+ smp_debug(100, KERN_DEBUG "CPU%d IPI_CPU_STOP\n", this_cpu);
halt_processor();
-#endif
break;
case IPI_CPU_TEST:
-#if (kDEBUG>=100)
- printk(KERN_DEBUG "CPU%d is alive!\n",this_cpu);
-#endif /* kDEBUG */
+ smp_debug(100, KERN_DEBUG "CPU%d is alive!\n", this_cpu);
break;
default:
@@ -275,12 +246,13 @@ static inline void
ipi_send(int cpu, enum ipi_message_type op)
{
struct cpuinfo_parisc *p = &cpu_data[cpu];
+ spinlock_t *lock = &per_cpu(ipi_lock, cpu);
unsigned long flags;
- spin_lock_irqsave(&(p->lock),flags);
+ spin_lock_irqsave(lock, flags);
p->pending_ipi |= 1 << op;
gsc_writel(IPI_IRQ - CPU_IRQ_BASE, cpu_data[cpu].hpa);
- spin_unlock_irqrestore(&(p->lock),flags);
+ spin_unlock_irqrestore(lock, flags);
}
@@ -560,13 +532,8 @@ int __init smp_boot_one_cpu(int cpuid)
alive:
/* Remember the Slave data */
-#if (kDEBUG>=100)
- printk(KERN_DEBUG "SMP: CPU:%d came alive after %ld _us\n",
+ smp_debug(100, KERN_DEBUG "SMP: CPU:%d came alive after %ld _us\n",
cpuid, timeout * 100);
-#endif /* kDEBUG */
-#ifdef ENTRY_SYS_CPUS
- cpu_data[cpuid].state = STATE_RUNNING;
-#endif
return 0;
}
@@ -574,10 +541,6 @@ void __devinit smp_prepare_boot_cpu(void)
{
int bootstrap_processor=cpu_data[0].cpuid; /* CPU ID of BSP */
-#ifdef ENTRY_SYS_CPUS
- cpu_data[0].state = STATE_RUNNING;
-#endif
-
/* Setup BSP mappings */
printk("SMP: bootstrap CPU ID is %d\n",bootstrap_processor);
@@ -616,101 +579,6 @@ int __cpuinit __cpu_up(unsigned int cpu)
return cpu_online(cpu) ? 0 : -ENOSYS;
}
-
-
-#ifdef ENTRY_SYS_CPUS
-/* Code goes along with:
-** entry.s: ENTRY_NAME(sys_cpus) / * 215, for cpu stat * /
-*/
-int sys_cpus(int argc, char **argv)
-{
- int i,j=0;
- extern int current_pid(int cpu);
-
- if( argc > 2 ) {
- printk("sys_cpus:Only one argument supported\n");
- return (-1);
- }
- if ( argc == 1 ){
-
-#ifdef DUMP_MORE_STATE
- for_each_online_cpu(i) {
- int cpus_per_line = 4;
-
- if (j++ % cpus_per_line)
- printk(" %3d",i);
- else
- printk("\n %3d",i);
- }
- printk("\n");
-#else
- printk("\n 0\n");
-#endif
- } else if((argc==2) && !(strcmp(argv[1],"-l"))) {
- printk("\nCPUSTATE TASK CPUNUM CPUID HARDCPU(HPA)\n");
-#ifdef DUMP_MORE_STATE
- for_each_online_cpu(i) {
- if (cpu_data[i].cpuid != NO_PROC_ID) {
- switch(cpu_data[i].state) {
- case STATE_RENDEZVOUS:
- printk("RENDEZVS ");
- break;
- case STATE_RUNNING:
- printk((current_pid(i)!=0) ? "RUNNING " : "IDLING ");
- break;
- case STATE_STOPPED:
- printk("STOPPED ");
- break;
- case STATE_HALTED:
- printk("HALTED ");
- break;
- default:
- printk("%08x?", cpu_data[i].state);
- break;
- }
- if(cpu_online(i)) {
- printk(" %4d",current_pid(i));
- }
- printk(" %6d",cpu_number_map(i));
- printk(" %5d",i);
- printk(" 0x%lx\n",cpu_data[i].hpa);
- }
- }
-#else
- printk("\n%s %4d 0 0 --------",
- (current->pid)?"RUNNING ": "IDLING ",current->pid);
-#endif
- } else if ((argc==2) && !(strcmp(argv[1],"-s"))) {
-#ifdef DUMP_MORE_STATE
- printk("\nCPUSTATE CPUID\n");
- for_each_online_cpu(i) {
- if (cpu_data[i].cpuid != NO_PROC_ID) {
- switch(cpu_data[i].state) {
- case STATE_RENDEZVOUS:
- printk("RENDEZVS");break;
- case STATE_RUNNING:
- printk((current_pid(i)!=0) ? "RUNNING " : "IDLING");
- break;
- case STATE_STOPPED:
- printk("STOPPED ");break;
- case STATE_HALTED:
- printk("HALTED ");break;
- default:
- }
- printk(" %5d\n",i);
- }
- }
-#else
- printk("\n%s CPU0",(current->pid==0)?"RUNNING ":"IDLING ");
-#endif
- } else {
- printk("sys_cpus:Unknown request\n");
- return (-1);
- }
- return 0;
-}
-#endif /* ENTRY_SYS_CPUS */
-
#ifdef CONFIG_PROC_FS
int __init
setup_profiling_timer(unsigned int multiplier)
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index a05800429304..10859f53e94f 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -12,27 +12,23 @@
#include <asm/errno.h>
#include <asm/psw.h>
#include <asm/thread_info.h>
-
#include <asm/assembly.h>
#include <asm/processor.h>
+#include <linux/linkage.h>
+
/* We fill the empty parts of the gateway page with
* something that will kill the kernel or a
* userspace application.
*/
#define KILL_INSN break 0,0
-#ifdef CONFIG_64BIT
- .level 2.0w
-#else
- .level 1.1
-#endif
+ .level LEVEL
.text
.import syscall_exit,code
.import syscall_exit_rfi,code
- .export linux_gateway_page
/* Linux gateway page is aliased to virtual page 0 in the kernel
* address space. Since it is a gateway page it cannot be
@@ -43,7 +39,7 @@
*/
.align ASM_PAGE_SIZE
-linux_gateway_page:
+ENTRY(linux_gateway_page)
/* ADDRESS 0x00 to 0xb0 = 176 bytes / 4 bytes per insn = 44 insns */
.rept 44
@@ -595,73 +591,43 @@ cas_action:
the other for the store. Either return -EFAULT.
Each of the entries must be relocated. */
.section __ex_table,"aw"
-#ifdef CONFIG_64BIT
- /* Pad the address calculation */
- .word 0,(2b - linux_gateway_page)
- .word 0,(3b - linux_gateway_page)
-#else
- .word (2b - linux_gateway_page)
- .word (3b - linux_gateway_page)
-#endif
+ ASM_ULONG_INSN (1b - linux_gateway_page), (3b - linux_gateway_page)
+ ASM_ULONG_INSN (2b - linux_gateway_page), (3b - linux_gateway_page)
.previous
- .section __ex_table,"aw"
-#ifdef CONFIG_64BIT
- /* Pad the address calculation */
- .word 0,(1b - linux_gateway_page)
- .word 0,(3b - linux_gateway_page)
-#else
- .word (1b - linux_gateway_page)
- .word (3b - linux_gateway_page)
-#endif
- .previous
-
-end_compare_and_swap:
/* Make sure nothing else is placed on this page */
.align ASM_PAGE_SIZE
- .export end_linux_gateway_page
-end_linux_gateway_page:
+END(linux_gateway_page)
+ENTRY(end_linux_gateway_page)
/* Relocate symbols assuming linux_gateway_page is mapped
to virtual address 0x0 */
-#ifdef CONFIG_64BIT
- /* FIXME: The code will always be on the gateay page
- and thus it will be on the first 4k, the
- assembler seems to think that the final
- subtraction result is only a word in
- length, so we pad the value.
- */
-#define LWS_ENTRY(_name_) .word 0,(lws_##_name_ - linux_gateway_page)
-#else
-#define LWS_ENTRY(_name_) .word (lws_##_name_ - linux_gateway_page)
-#endif
+
+#define LWS_ENTRY(_name_) ASM_ULONG_INSN (lws_##_name_ - linux_gateway_page)
.section .rodata,"a"
.align ASM_PAGE_SIZE
/* Light-weight-syscall table */
/* Start of lws table. */
- .export lws_table
-.Llws_table:
-lws_table:
+ENTRY(lws_table)
LWS_ENTRY(compare_and_swap32) /* 0 - ELF32 Atomic compare and swap */
LWS_ENTRY(compare_and_swap64) /* 1 - ELF64 Atomic compare and swap */
+END(lws_table)
/* End of lws table */
.align ASM_PAGE_SIZE
- .export sys_call_table
-.Lsys_call_table:
-sys_call_table:
+ENTRY(sys_call_table)
#include "syscall_table.S"
+END(sys_call_table)
#ifdef CONFIG_64BIT
.align ASM_PAGE_SIZE
- .export sys_call_table64
-.Lsys_call_table64:
-sys_call_table64:
+ENTRY(sys_call_table64)
#define SYSCALL_TABLE_64BIT
#include "syscall_table.S"
+END(sys_call_table64)
#endif
#ifdef CONFIG_SMP
@@ -671,9 +637,7 @@ sys_call_table64:
*/
.section .data
.align 4096
- .export lws_lock_start
-.Llws_lock_start:
-lws_lock_start:
+ENTRY(lws_lock_start)
/* lws locks */
.align 16
.rept 16
@@ -683,6 +647,7 @@ lws_lock_start:
.word 0
.word 0
.endr
+END(lws_lock_start)
.previous
#endif
/* CONFIG_SMP for lws_lock_start */
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index be8eb9a0d24a..8bf87e5d9c37 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -10,7 +10,7 @@
* Copyright (C) 2000 Grant Grundler <grundler at parisc-linux.org>
* Copyright (C) 2001 Richard Hirst <rhirst with parisc-linux.org>
* Copyright (C) 2001-2002 Ryan Bradetich <rbrad at parisc-linux.org>
- * Copyright (C) 2001 Helge Deller <deller at parisc-linux.org>
+ * Copyright (C) 2001-2007 Helge Deller <deller at parisc-linux.org>
* Copyright (C) 2000-2001 Thomas Bogendoerfer <tsbogend at parisc-linux.org>
* Copyright (C) 2002 Randolph Chung <tausq with parisc-linux.org>
* Copyright (C) 2005-2006 Kyle McMartin <kyle at parisc-linux.org>
@@ -282,8 +282,8 @@
* to worry about faulting trying to copy in a larger 64-bit
* struct from a 32-bit user-space app.
*/
- ENTRY_SAME(rt_sigqueueinfo)
- ENTRY_SAME(rt_sigsuspend_wrapper) /* not really SAME -- see the code */
+ ENTRY_COMP(rt_sigqueueinfo)
+ ENTRY_COMP(rt_sigsuspend)
ENTRY_SAME(chown) /* 180 */
/* setsockopt() used by iptables: SO_SET_REPLACE/SO_SET_ADD_COUNTERS */
ENTRY_COMP(setsockopt)
@@ -377,9 +377,9 @@
ENTRY_SAME(inotify_init)
ENTRY_SAME(inotify_add_watch) /* 270 */
ENTRY_SAME(inotify_rm_watch)
- ENTRY_SAME(ni_syscall) /* 271 ENTRY_COMP(pselect6) */
- ENTRY_SAME(ni_syscall) /* 272 ENTRY_COMP(ppoll) */
ENTRY_SAME(migrate_pages)
+ ENTRY_COMP(pselect6)
+ ENTRY_COMP(ppoll)
ENTRY_COMP(openat) /* 275 */
ENTRY_SAME(mkdirat)
ENTRY_SAME(mknodat)
@@ -399,5 +399,11 @@
ENTRY_SAME(splice)
ENTRY_OURS(sync_file_range)
ENTRY_SAME(tee)
+ ENTRY_COMP(vmsplice)
+ ENTRY_COMP(move_pages) /* 295 */
+ ENTRY_SAME(getcpu)
+ ENTRY_SAME(epoll_pwait)
+ ENTRY_COMP(statfs64)
+ ENTRY_COMP(fstatfs64)
/* Nothing yet */
diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
index 5f1b51af06a9..d1db8e518654 100644
--- a/arch/parisc/kernel/time.c
+++ b/arch/parisc/kernel/time.c
@@ -22,6 +22,7 @@
#include <linux/init.h>
#include <linux/smp.h>
#include <linux/profile.h>
+#include <linux/clocksource.h>
#include <asm/uaccess.h>
#include <asm/io.h>
@@ -98,7 +99,7 @@ irqreturn_t timer_interrupt(int irq, void *dev_id)
* cycles after the IT fires. But it's arbitrary how much time passes
* before we call it "late". I've picked one second.
*/
- if (ticks_elapsed > HZ) {
+ if (unlikely(ticks_elapsed > HZ)) {
/* Scenario 3: very long delay? bad in any case */
printk (KERN_CRIT "timer_interrupt(CPU %d): delayed!"
" cycles %lX rem %lX "
@@ -147,10 +148,6 @@ irqreturn_t timer_interrupt(int irq, void *dev_id)
write_sequnlock(&xtime_lock);
}
- /* check soft power switch status */
- if (cpu == 0 && !atomic_read(&power_tasklet.count))
- tasklet_schedule(&power_tasklet);
-
return IRQ_HANDLED;
}
@@ -172,121 +169,41 @@ unsigned long profile_pc(struct pt_regs *regs)
EXPORT_SYMBOL(profile_pc);
-/*
- * Return the number of micro-seconds that elapsed since the last
- * update to wall time (aka xtime). The xtime_lock
- * must be at least read-locked when calling this routine.
- */
-static inline unsigned long gettimeoffset (void)
-{
-#ifndef CONFIG_SMP
- /*
- * FIXME: This won't work on smp because jiffies are updated by cpu 0.
- * Once parisc-linux learns the cr16 difference between processors,
- * this could be made to work.
- */
- unsigned long now;
- unsigned long prev_tick;
- unsigned long next_tick;
- unsigned long elapsed_cycles;
- unsigned long usec;
- unsigned long cpuid = smp_processor_id();
- unsigned long cpt = clocktick;
-
- next_tick = cpu_data[cpuid].it_value;
- now = mfctl(16); /* Read the hardware interval timer. */
+/* clock source code */
- prev_tick = next_tick - cpt;
+static cycle_t read_cr16(void)
+{
+ return get_cycles();
+}
- /* Assume Scenario 1: "now" is later than prev_tick. */
- elapsed_cycles = now - prev_tick;
+static int cr16_update_callback(void);
-/* aproximate HZ with shifts. Intended math is "(elapsed/clocktick) > HZ" */
-#if HZ == 1000
- if (elapsed_cycles > (cpt << 10) )
-#elif HZ == 250
- if (elapsed_cycles > (cpt << 8) )
-#elif HZ == 100
- if (elapsed_cycles > (cpt << 7) )
-#else
-#warn WTF is HZ set to anyway?
- if (elapsed_cycles > (HZ * cpt) )
-#endif
- {
- /* Scenario 3: clock ticks are missing. */
- printk (KERN_CRIT "gettimeoffset(CPU %ld): missing %ld ticks!"
- " cycles %lX prev/now/next %lX/%lX/%lX clock %lX\n",
- cpuid, elapsed_cycles / cpt,
- elapsed_cycles, prev_tick, now, next_tick, cpt);
- }
+static struct clocksource clocksource_cr16 = {
+ .name = "cr16",
+ .rating = 300,
+ .read = read_cr16,
+ .mask = CLOCKSOURCE_MASK(BITS_PER_LONG),
+ .mult = 0, /* to be set */
+ .shift = 22,
+ .update_callback = cr16_update_callback,
+ .is_continuous = 1,
+};
- /* FIXME: Can we improve the precision? Not with PAGE0. */
- usec = (elapsed_cycles * 10000) / PAGE0->mem_10msec;
- return usec;
-#else
- return 0;
-#endif
-}
-
-void
-do_gettimeofday (struct timeval *tv)
+static int cr16_update_callback(void)
{
- unsigned long flags, seq, usec, sec;
-
- /* Hold xtime_lock and adjust timeval. */
- do {
- seq = read_seqbegin_irqsave(&xtime_lock, flags);
- usec = gettimeoffset();
- sec = xtime.tv_sec;
- usec += (xtime.tv_nsec / 1000);
- } while (read_seqretry_irqrestore(&xtime_lock, seq, flags));
-
- /* Move adjusted usec's into sec's. */
- while (usec >= USEC_PER_SEC) {
- usec -= USEC_PER_SEC;
- ++sec;
+ int change = 0;
+
+ /* since the cr16 cycle counters are not syncronized across CPUs,
+ we'll check if we should switch to a safe clocksource: */
+ if (clocksource_cr16.rating != 0 && num_online_cpus() > 1) {
+ clocksource_cr16.rating = 0;
+ clocksource_reselect();
+ change = 1;
}
- /* Return adjusted result. */
- tv->tv_sec = sec;
- tv->tv_usec = usec;
+ return change;
}
-EXPORT_SYMBOL(do_gettimeofday);
-
-int
-do_settimeofday (struct timespec *tv)
-{
- time_t wtm_sec, sec = tv->tv_sec;
- long wtm_nsec, nsec = tv->tv_nsec;
-
- if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC)
- return -EINVAL;
-
- write_seqlock_irq(&xtime_lock);
- {
- /*
- * This is revolting. We need to set "xtime"
- * correctly. However, the value in this location is
- * the value at the most recent update of wall time.
- * Discover what correction gettimeofday would have
- * done, and then undo it!
- */
- nsec -= gettimeoffset() * 1000;
-
- wtm_sec = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec);
- wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec);
-
- set_normalized_timespec(&xtime, sec, nsec);
- set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec);
-
- ntp_clear();
- }
- write_sequnlock_irq(&xtime_lock);
- clock_was_set();
- return 0;
-}
-EXPORT_SYMBOL(do_settimeofday);
void __init start_cpu_itimer(void)
{
@@ -301,11 +218,18 @@ void __init start_cpu_itimer(void)
void __init time_init(void)
{
static struct pdc_tod tod_data;
+ unsigned long current_cr16_khz;
clocktick = (100 * PAGE0->mem_10msec) / HZ;
start_cpu_itimer(); /* get CPU 0 started */
+ /* register at clocksource framework */
+ current_cr16_khz = PAGE0->mem_10msec/10; /* kHz */
+ clocksource_cr16.mult = clocksource_khz2mult(current_cr16_khz,
+ clocksource_cr16.shift);
+ clocksource_register(&clocksource_cr16);
+
if (pdc_tod_read(&tod_data) == 0) {
unsigned long flags;
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 65cd6ca32fed..55bc1471967d 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -26,6 +26,7 @@
#include <linux/interrupt.h>
#include <linux/console.h>
#include <linux/kallsyms.h>
+#include <linux/bug.h>
#include <asm/assembly.h>
#include <asm/system.h>
@@ -39,6 +40,8 @@
#include <asm/pdc.h>
#include <asm/pdc_chassis.h>
#include <asm/unwind.h>
+#include <asm/tlbflush.h>
+#include <asm/cacheflush.h>
#include "../math-emu/math-emu.h" /* for handle_fpe() */
@@ -49,7 +52,7 @@
DEFINE_SPINLOCK(pa_dbit_lock);
#endif
-int printbinary(char *buf, unsigned long x, int nbits)
+static int printbinary(char *buf, unsigned long x, int nbits)
{
unsigned long mask = 1UL << (nbits - 1);
while (mask != 0) {
@@ -61,7 +64,7 @@ int printbinary(char *buf, unsigned long x, int nbits)
return nbits;
}
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
#define RFMT "%016lx"
#else
#define RFMT "%08lx"
@@ -160,13 +163,13 @@ static void do_show_stack(struct unwind_frame_info *info)
{
int i = 1;
- printk("Backtrace:\n");
+ printk(KERN_CRIT "Backtrace:\n");
while (i <= 16) {
if (unwind_once(info) < 0 || info->ip == 0)
break;
if (__kernel_text_address(info->ip)) {
- printk(" [<" RFMT ">] ", info->ip);
+ printk("%s [<" RFMT ">] ", (i&0x3)==1 ? KERN_CRIT : "", info->ip);
#ifdef CONFIG_KALLSYMS
print_symbol("%s\n", info->ip);
#else
@@ -185,18 +188,19 @@ void show_stack(struct task_struct *task, unsigned long *s)
if (!task) {
unsigned long sp;
- struct pt_regs *r;
HERE:
asm volatile ("copy %%r30, %0" : "=r"(sp));
- r = kzalloc(sizeof(struct pt_regs), GFP_KERNEL);
- if (!r)
- return;
- r->iaoq[0] = (unsigned long)&&HERE;
- r->gr[2] = (unsigned long)__builtin_return_address(0);
- r->gr[30] = sp;
- unwind_frame_init(&info, current, r);
- kfree(r);
+ {
+ struct pt_regs r;
+
+ memset(&r, 0, sizeof(struct pt_regs));
+ r.iaoq[0] = (unsigned long)&&HERE;
+ r.gr[2] = (unsigned long)__builtin_return_address(0);
+ r.gr[30] = sp;
+
+ unwind_frame_init(&info, current, &r);
+ }
} else {
unwind_frame_init_from_blocked_task(&info, task);
}
@@ -204,6 +208,11 @@ HERE:
do_show_stack(&info);
}
+int is_valid_bugaddr(unsigned long iaoq)
+{
+ return 1;
+}
+
void die_if_kernel(char *str, struct pt_regs *regs, long err)
{
if (user_mode(regs)) {
@@ -222,15 +231,15 @@ void die_if_kernel(char *str, struct pt_regs *regs, long err)
oops_in_progress = 1;
/* Amuse the user in a SPARC fashion */
- printk(
-" _______________________________ \n"
-" < Your System ate a SPARC! Gah! >\n"
-" ------------------------------- \n"
-" \\ ^__^\n"
-" \\ (xx)\\_______\n"
-" (__)\\ )\\/\\\n"
-" U ||----w |\n"
-" || ||\n");
+ if (err) printk(
+KERN_CRIT " _______________________________ \n"
+KERN_CRIT " < Your System ate a SPARC! Gah! >\n"
+KERN_CRIT " ------------------------------- \n"
+KERN_CRIT " \\ ^__^\n"
+KERN_CRIT " \\ (xx)\\_______\n"
+KERN_CRIT " (__)\\ )\\/\\\n"
+KERN_CRIT " U ||----w |\n"
+KERN_CRIT " || ||\n");
/* unlock the pdc lock if necessary */
pdc_emergency_unlock();
@@ -242,9 +251,20 @@ void die_if_kernel(char *str, struct pt_regs *regs, long err)
if (!console_drivers)
pdc_console_restart();
- printk(KERN_CRIT "%s (pid %d): %s (code %ld)\n",
- current->comm, current->pid, str, err);
+ if (err)
+ printk(KERN_CRIT "%s (pid %d): %s (code %ld)\n",
+ current->comm, current->pid, str, err);
+
+ /* Wot's wrong wif bein' racy? */
+ if (current->thread.flags & PARISC_KERNEL_DEATH) {
+ printk(KERN_CRIT "%s() recursion detected.\n", __FUNCTION__);
+ local_irq_enable();
+ while (1);
+ }
+ current->thread.flags |= PARISC_KERNEL_DEATH;
+
show_regs(regs);
+ dump_stack();
if (in_interrupt())
panic("Fatal exception in interrupt");
@@ -255,14 +275,6 @@ void die_if_kernel(char *str, struct pt_regs *regs, long err)
panic("Fatal exception");
}
- /* Wot's wrong wif bein' racy? */
- if (current->thread.flags & PARISC_KERNEL_DEATH) {
- printk(KERN_CRIT "%s() recursion detected.\n", __FUNCTION__);
- local_irq_enable();
- while (1);
- }
-
- current->thread.flags |= PARISC_KERNEL_DEATH;
do_exit(SIGSEGV);
}
@@ -273,61 +285,45 @@ int syscall_ipi(int (*syscall) (struct pt_regs *), struct pt_regs *regs)
/* gdb uses break 4,8 */
#define GDB_BREAK_INSN 0x10004
-void handle_gdb_break(struct pt_regs *regs, int wot)
+static void handle_gdb_break(struct pt_regs *regs, int wot)
{
struct siginfo si;
- si.si_code = wot;
- si.si_addr = (void __user *) (regs->iaoq[0] & ~3);
si.si_signo = SIGTRAP;
si.si_errno = 0;
+ si.si_code = wot;
+ si.si_addr = (void __user *) (regs->iaoq[0] & ~3);
force_sig_info(SIGTRAP, &si, current);
}
-void handle_break(unsigned iir, struct pt_regs *regs)
+static void handle_break(struct pt_regs *regs)
{
- struct siginfo si;
-
- switch(iir) {
- case 0x00:
-#ifdef PRINT_USER_FAULTS
- printk(KERN_DEBUG "break 0,0: pid=%d command='%s'\n",
- current->pid, current->comm);
-#endif
- die_if_kernel("Breakpoint", regs, 0);
-#ifdef PRINT_USER_FAULTS
- show_regs(regs);
-#endif
- si.si_code = TRAP_BRKPT;
- si.si_addr = (void __user *) (regs->iaoq[0] & ~3);
- si.si_signo = SIGTRAP;
- force_sig_info(SIGTRAP, &si, current);
- break;
-
- case GDB_BREAK_INSN:
- die_if_kernel("Breakpoint", regs, 0);
- handle_gdb_break(regs, TRAP_BRKPT);
- break;
+ unsigned iir = regs->iir;
+
+ if (unlikely(iir == PARISC_BUG_BREAK_INSN && !user_mode(regs))) {
+ /* check if a BUG() or WARN() trapped here. */
+ enum bug_trap_type tt;
+ tt = report_bug(regs->iaoq[0] & ~3);
+ if (tt == BUG_TRAP_TYPE_WARN) {
+ regs->iaoq[0] += 4;
+ regs->iaoq[1] += 4;
+ return; /* return to next instruction when WARN_ON(). */
+ }
+ die_if_kernel("Unknown kernel breakpoint", regs,
+ (tt == BUG_TRAP_TYPE_NONE) ? 9 : 0);
+ }
- default:
#ifdef PRINT_USER_FAULTS
- printk(KERN_DEBUG "break %#08x: pid=%d command='%s'\n",
- iir, current->pid, current->comm);
+ if (unlikely(iir != GDB_BREAK_INSN)) {
+ printk(KERN_DEBUG "break %d,%d: pid=%d command='%s'\n",
+ iir & 31, (iir>>13) & ((1<<13)-1),
+ current->pid, current->comm);
show_regs(regs);
-#endif
- si.si_signo = SIGTRAP;
- si.si_code = TRAP_BRKPT;
- si.si_addr = (void __user *) (regs->iaoq[0] & ~3);
- force_sig_info(SIGTRAP, &si, current);
- return;
}
-}
-
+#endif
-int handle_toc(void)
-{
- printk(KERN_CRIT "TOC call.\n");
- return 0;
+ /* send standard GDB signal */
+ handle_gdb_break(regs, TRAP_BRKPT);
}
static void default_trap(int code, struct pt_regs *regs)
@@ -336,7 +332,7 @@ static void default_trap(int code, struct pt_regs *regs)
show_regs(regs);
}
-void (*cpu_lpmc) (int code, struct pt_regs *regs) = default_trap;
+void (*cpu_lpmc) (int code, struct pt_regs *regs) __read_mostly = default_trap;
void transfer_pim_to_trap_frame(struct pt_regs *regs)
@@ -554,7 +550,8 @@ void handle_interruption(int code, struct pt_regs *regs)
/* Low-priority machine check */
pdc_chassis_send_status(PDC_CHASSIS_DIRECT_LPMC);
- flush_all_caches();
+ flush_cache_all();
+ flush_tlb_all();
cpu_lpmc(5, regs);
return;
@@ -572,7 +569,7 @@ void handle_interruption(int code, struct pt_regs *regs)
case 9:
/* Break instruction trap */
- handle_break(regs->iir,regs);
+ handle_break(regs);
return;
case 10:
@@ -840,7 +837,7 @@ int __init check_ivt(void *iva)
return 0;
}
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
extern const void fault_vector_11;
#endif
extern const void fault_vector_20;
@@ -852,7 +849,7 @@ void __init trap_init(void)
if (boot_cpu_data.cpu_type >= pcxu)
iva = (void *) &fault_vector_20;
else
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
panic("Can't boot 64-bit OS on PA1.1 processor!");
#else
iva = (void *) &fault_vector_11;
diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c
index bd2230d6a2a6..347bb922e6d0 100644
--- a/arch/parisc/kernel/unaligned.c
+++ b/arch/parisc/kernel/unaligned.c
@@ -20,8 +20,11 @@
*
*/
+#include <linux/jiffies.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/signal.h>
#include <asm/uaccess.h>
/* #define DEBUG_UNALIGNED 1 */
@@ -32,7 +35,7 @@
#define DPRINTF(fmt, args...)
#endif
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
#define RFMT "%016lx"
#else
#define RFMT "%08lx"
@@ -147,15 +150,8 @@ static int emulate_ldh(struct pt_regs *regs, int toreg)
"4: ldi -2, %1\n"
FIXUP_BRANCH(3b)
" .previous\n"
-" .section __ex_table,\"aw\"\n"
-#ifdef __LP64__
-" .dword 1b,4b\n"
-" .dword 2b,4b\n"
-#else
-" .word 1b,4b\n"
-" .word 2b,4b\n"
-#endif
-" .previous\n"
+ ASM_EXCEPTIONTABLE_ENTRY(1b, 4b)
+ ASM_EXCEPTIONTABLE_ENTRY(2b, 4b)
: "=r" (val), "=r" (ret)
: "0" (val), "r" (saddr), "r" (regs->isr)
: "r20", FIXUP_BRANCH_CLOBBER );
@@ -192,15 +188,8 @@ static int emulate_ldw(struct pt_regs *regs, int toreg, int flop)
"4: ldi -2, %1\n"
FIXUP_BRANCH(3b)
" .previous\n"
-" .section __ex_table,\"aw\"\n"
-#ifdef __LP64__
-" .dword 1b,4b\n"
-" .dword 2b,4b\n"
-#else
-" .word 1b,4b\n"
-" .word 2b,4b\n"
-#endif
-" .previous\n"
+ ASM_EXCEPTIONTABLE_ENTRY(1b, 4b)
+ ASM_EXCEPTIONTABLE_ENTRY(2b, 4b)
: "=r" (val), "=r" (ret)
: "0" (val), "r" (saddr), "r" (regs->isr)
: "r19", "r20", FIXUP_BRANCH_CLOBBER );
@@ -224,7 +213,7 @@ static int emulate_ldd(struct pt_regs *regs, int toreg, int flop)
regs->isr, regs->ior, toreg);
#ifdef CONFIG_PA20
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
if (!flop)
return -1;
#endif
@@ -243,15 +232,8 @@ static int emulate_ldd(struct pt_regs *regs, int toreg, int flop)
"4: ldi -2, %1\n"
FIXUP_BRANCH(3b)
" .previous\n"
-" .section __ex_table,\"aw\"\n"
-#ifdef __LP64__
-" .dword 1b,4b\n"
-" .dword 2b,4b\n"
-#else
-" .word 1b,4b\n"
-" .word 2b,4b\n"
-#endif
-" .previous\n"
+ ASM_EXCEPTIONTABLE_ENTRY(1b,4b)
+ ASM_EXCEPTIONTABLE_ENTRY(2b,4b)
: "=r" (val), "=r" (ret)
: "0" (val), "r" (saddr), "r" (regs->isr)
: "r19", "r20", FIXUP_BRANCH_CLOBBER );
@@ -275,17 +257,9 @@ static int emulate_ldd(struct pt_regs *regs, int toreg, int flop)
"5: ldi -2, %2\n"
FIXUP_BRANCH(4b)
" .previous\n"
-" .section __ex_table,\"aw\"\n"
-#ifdef __LP64__
-" .dword 1b,5b\n"
-" .dword 2b,5b\n"
-" .dword 3b,5b\n"
-#else
-" .word 1b,5b\n"
-" .word 2b,5b\n"
-" .word 3b,5b\n"
-#endif
-" .previous\n"
+ ASM_EXCEPTIONTABLE_ENTRY(1b,5b)
+ ASM_EXCEPTIONTABLE_ENTRY(2b,5b)
+ ASM_EXCEPTIONTABLE_ENTRY(3b,5b)
: "=r" (valh), "=r" (vall), "=r" (ret)
: "0" (valh), "1" (vall), "r" (saddr), "r" (regs->isr)
: "r19", "r20", FIXUP_BRANCH_CLOBBER );
@@ -325,15 +299,8 @@ static int emulate_sth(struct pt_regs *regs, int frreg)
"4: ldi -2, %0\n"
FIXUP_BRANCH(3b)
" .previous\n"
-" .section __ex_table,\"aw\"\n"
-#ifdef __LP64__
-" .dword 1b,4b\n"
-" .dword 2b,4b\n"
-#else
-" .word 1b,4b\n"
-" .word 2b,4b\n"
-#endif
-" .previous\n"
+ ASM_EXCEPTIONTABLE_ENTRY(1b,4b)
+ ASM_EXCEPTIONTABLE_ENTRY(2b,4b)
: "=r" (ret)
: "r" (val), "r" (regs->ior), "r" (regs->isr)
: "r19", FIXUP_BRANCH_CLOBBER );
@@ -379,15 +346,8 @@ static int emulate_stw(struct pt_regs *regs, int frreg, int flop)
"4: ldi -2, %0\n"
FIXUP_BRANCH(3b)
" .previous\n"
-" .section __ex_table,\"aw\"\n"
-#ifdef __LP64__
-" .dword 1b,4b\n"
-" .dword 2b,4b\n"
-#else
-" .word 1b,4b\n"
-" .word 2b,4b\n"
-#endif
-" .previous\n"
+ ASM_EXCEPTIONTABLE_ENTRY(1b,4b)
+ ASM_EXCEPTIONTABLE_ENTRY(2b,4b)
: "=r" (ret)
: "r" (val), "r" (regs->ior), "r" (regs->isr)
: "r19", "r20", "r21", "r22", "r1", FIXUP_BRANCH_CLOBBER );
@@ -410,7 +370,7 @@ static int emulate_std(struct pt_regs *regs, int frreg, int flop)
val, regs->isr, regs->ior);
#ifdef CONFIG_PA20
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
if (!flop)
return -1;
#endif
@@ -436,19 +396,10 @@ static int emulate_std(struct pt_regs *regs, int frreg, int flop)
"6: ldi -2, %0\n"
FIXUP_BRANCH(5b)
" .previous\n"
-" .section __ex_table,\"aw\"\n"
-#ifdef __LP64__
-" .dword 1b,6b\n"
-" .dword 2b,6b\n"
-" .dword 3b,6b\n"
-" .dword 4b,6b\n"
-#else
-" .word 1b,6b\n"
-" .word 2b,6b\n"
-" .word 3b,6b\n"
-" .word 4b,6b\n"
-#endif
-" .previous\n"
+ ASM_EXCEPTIONTABLE_ENTRY(1b,6b)
+ ASM_EXCEPTIONTABLE_ENTRY(2b,6b)
+ ASM_EXCEPTIONTABLE_ENTRY(3b,6b)
+ ASM_EXCEPTIONTABLE_ENTRY(4b,6b)
: "=r" (ret)
: "r" (val), "r" (regs->ior), "r" (regs->isr)
: "r19", "r20", "r21", "r22", "r1", FIXUP_BRANCH_CLOBBER );
@@ -479,21 +430,11 @@ static int emulate_std(struct pt_regs *regs, int frreg, int flop)
"7: ldi -2, %0\n"
FIXUP_BRANCH(6b)
" .previous\n"
-" .section __ex_table,\"aw\"\n"
-#ifdef __LP64__
-" .dword 1b,7b\n"
-" .dword 2b,7b\n"
-" .dword 3b,7b\n"
-" .dword 4b,7b\n"
-" .dword 5b,7b\n"
-#else
-" .word 1b,7b\n"
-" .word 2b,7b\n"
-" .word 3b,7b\n"
-" .word 4b,7b\n"
-" .word 5b,7b\n"
-#endif
-" .previous\n"
+ ASM_EXCEPTIONTABLE_ENTRY(1b,7b)
+ ASM_EXCEPTIONTABLE_ENTRY(2b,7b)
+ ASM_EXCEPTIONTABLE_ENTRY(3b,7b)
+ ASM_EXCEPTIONTABLE_ENTRY(4b,7b)
+ ASM_EXCEPTIONTABLE_ENTRY(5b,7b)
: "=r" (ret)
: "r" (valh), "r" (vall), "r" (regs->ior), "r" (regs->isr)
: "r19", "r20", "r21", "r1", FIXUP_BRANCH_CLOBBER );
diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c
index c10ab47d81fa..5f75b3e65986 100644
--- a/arch/parisc/kernel/unwind.c
+++ b/arch/parisc/kernel/unwind.c
@@ -10,6 +10,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
+#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/kallsyms.h>
diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S
index 3b78c2794c36..2a8253358c6c 100644
--- a/arch/parisc/kernel/vmlinux.lds.S
+++ b/arch/parisc/kernel/vmlinux.lds.S
@@ -68,6 +68,8 @@ SECTIONS
RODATA
+ BUG_TABLE
+
/* writeable */
. = ALIGN(ASM_PAGE_SIZE); /* Make sure this is page aligned so
that we can properly leave these